Class 12 Chemistry Chapter 8 Online Test – The d- and f-Block Elements

Class 12 Chemistry Chapter 8 Online Test 2027: हेलो बच्चों, Class 12 Chemistry के Chapter 8 The d- and f-Block Elements (d- और f-ब्लॉक तत्व) का Online Test यहां उपलब्ध है। इस Test की मदद से विद्यार्थी Chapter के महत्वपूर्ण Concepts और Objective Questions की Practice कर सकते हैं।
इस अध्याय में Transition Elements, Electronic Configuration, Oxidation States, Magnetic Properties, Coloured Ions, Catalytic Properties, Lanthanoids और Actinoids जैसे Topics शामिल हैं।
देखें इस पोस्ट में क्या-क्या है -
Class 12 Chemistry Chapter 8 Online Test 2027

Chemistry की तैयारी के दौरान तत्वों के गुणों, Electronic Configuration और महत्वपूर्ण Reactions को समझना जरूरी है। नीचे दिए गए Online Test को Attempt करके अपनी तैयारी का मूल्यांकन करें।

                
                
                
                    
                     0
                    
                    
            
            
            
            
            
                
                    
                    
                    12th Chemistry Chapter 8 Online Test
                    तैयारी में दम है तो 25 मे से 20 सही कर के दिखाओ

                    
                    
                    
                    
                    
                    
                    
                    
                    
                

                                    
                                    
                                        
                                        
                                            
                                            
                                        
                                    
                                  

                    
                    
                    1 / 25
                    
                        
                        
                                Which metal is ferromagnetic?

                            
                            
                        
            
                

                

                Zinc

            
            
                

                

                Copper

            
            
                

                

                Chromium

            
            
                

                

                Iron

            
                        
                        
                        
                        
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

                    
                    
                    2 / 25
                    
                        
                        
                                The magnetic properties of transition metals are due to:

                            
                            
                        
            
                

                

                Paired electrons

            
            
                

                

                Metallic bonding

            
            
                

                

                Large atomic size

            
            
                

                

                Unpaired electrons

            
                        
                        
                        
                        
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

                    
                    
                    3 / 25
                    
                        
                        
                                1. The d-block elements belong to which group of the periodic table?

                            
                            
                        
            
                

                

                Group 1–2

            
            
                

                

                Group 13–18

            
            
                

                

                Group 17–18

            
            
                

                

                Group 3–12

            
                        
                        
                        
                        
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

                    
                    
                    4 / 25
                    
                        
                        
                                7. Transition metals generally form coloured compounds because they have:

                            
                            
                        
            
                

                

                Completely filled d-orbitals

            
            
                

                

                No d-orbitals

            
            
                

                

                Only s-orbitals

            
            
                

                

                Partially filled d-orbitals

            
                        
                        
                        
                        
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

                    
                    
                    5 / 25
                    
                        
                        
                                Which of the following is an actinide?

                            
                            
                        
            
                

                

                Cerium

            
            
                

                

                Neodymium

            
            
                

                

                Europium

            
            
                

                

                Thorium

            
                        
                        
                        
                        
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

                    
                    
                    6 / 25
                    
                        
                        
                                2. d-block elements are also known as:

                            
                            
                        
            
                

                

                Representative elements

            
            
                

                

                Noble gases

            
            
                

                

                Inner transition elements

            
            
                

                

                Transition elements

            
                        
                        
                        
                        
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

                    
                    
                    7 / 25
                    
                        
                        
                                The oxidation state of iron in Fe₂O₃ is:

                            
                            
                        
            
                

                

                +2

            
            
                

                

                +4

            
            
                

                

                +6

            
            
                

                

                +3

            
                        
                        
                        
                        
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

                    
                    
                    8 / 25
                    
                        
                        
                                The atomic numbers of lanthanides range from:

                            
                            
                        
            
                

                

                21–30

            
            
                

                

                39–48

            
            
                

                

                72–86

            
            
                

                

                57–71

            
                        
                        
                        
                        
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

                    
                    
                    9 / 25
                    
                        
                        
                                Which transition element is used in stainless steel?

                            
                            
                        
            
                

                

                Copper

            
            
                

                

                Zinc

            
            
                

                

                Mercury

            
            
                

                

                Chromium

            
                        
                        
                        
                        
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

                    
                    
                    10 / 25
                    
                        
                        
                                10. Which metal is used as a catalyst in the Haber process?

                            
                            
                        
            
                

                

                Copper

            
            
                

                

                Zinc

            
            
                

                

                Nicken

            
            
                

                

                Iron

            
                        
                        
                        
                        
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

                    
                    
                    11 / 25
                    
                        
                        
                                6. Which metal shows the highest number of oxidation states?

                            
                            
                        
            
                

                

                A. Iron

            
            
                

                

                Copper

            
            
                

                

                Zinc

            
            
                

                

                Manganese

            
                        
                        
                        
                        
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

                    
                    
                    12 / 25
                    
                        
                        
                                8. Which transition metal ion is colourless?

                            
                            
                        
            
                

                

                Cu²⁺

            
            
                

                

                Fe³⁺

            
            
                

                

                . Mn²⁺

            
            
                

                

                Zn²⁺

            
                        
                        
                        
                        
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

                    
                    
                    13 / 25
                    
                        
                        
                                3. Which of the following is NOT a transition element?

                            
                            
                        
            
                

                

                Fe

            
            
                

                

                . Cu

            
            
                

                

                Mn

            
            
                

                

                Zn

            
                        
                        
                        
                        
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

                    
                    
                    14 / 25
                    
                        
                        
                                Which element shows maximum paramagnetism?

                            
                            
                        
            
                

                

                Zn

            
            
                

                

                Fe

            
            
                

                

                Mn

            
            
                

                

                Cu

            
                        
                        
                        
                        
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

                    
                    
                    15 / 25
                    
                        
                        
                                Which of the following belongs to the f-block?

                            
                            
                        
            
                

                

                Iron

            
            
                

                

                Copper

            
            
                

                

                Zinc

            
            
                

                

                Uranium

            
                        
                        
                        
                        
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

                    
                    
                    16 / 25
                    
                        
                        
                                Inner transition elements include:

                            
                            
                        
            
                

                

                s-block elements

            
            
                

                

                p-block elements

            
            
                

                

                Halogens

            
            
                

                

                Lanthanides and actinides

            
                        
                        
                        
                        
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

                    
                    
                    17 / 25
                    
                        
                        
                                5. The colour of transition metal compounds is mainly due to:

                            
                            
                        
            
                

                

                Atomic size

            
            
                

                

                High melting point

            
            
                

                

                Metallic bonding

            
            
                

                

                d–d electronic transition

            
                        
                        
                        
                        
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

                    
                    
                    18 / 25
                    
                        
                        
                                Lanthanides are also called:

                            
                            
                        
            
                

                

                Rare gases

            
            
                

                

                Alkali metals

            
            
                

                

                Halogens

            
            
                

                

                Rare earth metals

            
                        
                        
                        
                        
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

                    
                    
                    19 / 25
                    
                        
                        
                                Lanthanide contraction is due to:

                            
                            
                        
            
                

                

                Increase in nuclear charge only

            
            
                

                

                Presence of d-electrons

            
            
                

                

                Large atomic radius

            
            
                

                

                Poor shielding of 4f electrons

            
                        
                        
                        
                        
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

                    
                    
                    20 / 25
                    
                        
                        
                                Which metal is commonly used for electroplating?

                            
                            
                        
            
                

                

                Zinc

            
            
                

                

                Iron

            
            
                

                

                Aluminium

            
            
                

                

                Copper

            
                        
                        
                        
                        
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

                    
                    
                    21 / 25
                    
                        
                        
                                Which transition metal is used in making coins?

                            
                            
                        
            
                

                

                Iron

            
            
                

                

                Sodium

            
            
                

                

                Magnesium

            
            
                

                

                Copper

            
                        
                        
                        
                        
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

                    
                    
                    22 / 25
                    
                        
                        
                                Actinides are radioactive because of:

                            
                            
                        
            
                

                

                Large size

            
            
                

                

                Metallic character

            
            
                

                

                High density

            
            
                

                

                Unstable nuclei

            
                        
                        
                        
                        
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

                    
                    
                    23 / 25
                    
                        
                        
                                9. Which of the following is a strong oxidising agent?

                            
                            
                        
            
                

                

                Fe²⁺

            
            
                

                

                Zn²⁺

            
            
                

                

                Cu

            
            
                

                

                MnO₄⁻

            
                        
                        
                        
                        
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

                    
                    
                    24 / 25
                    
                        
                        
                                4. Variable oxidation states of transition elements are due to:

                            
                            
                        
            
                

                

                Presence of s-electrons only

            
            
                

                

                Large atomic size

            
            
                

                

                High density

            
            
                

                

                Participation of d-electrons

            
                        
                        
                        
                        
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

                    
                    
                    25 / 25
                    
                        
                        
                                Which of the following has completely filled d-orbitals?

                            
                            
                        
            
                

                

                Cu²⁺

            
            
                

                

                Fe

            
            
                

                

                Mn

            
            
                

                

                Zn

            
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

            
Your score is
The average score is 0%

                0%
Test पूरा करने के बाद अपना Score देखें और गलत हुए प्रश्नों का Revision करें। विशेष रूप से Transition Elements के सामान्य गुणों तथा Lanthanoids और Actinoids के बीच अंतर पर ध्यान दें।
Chapter: The d- and f-Block Elements
Hindi Name: d- और f-ब्लॉक तत्व
Class: 12th
Subject: Chemistry
Nesar Sir
नेसार सर, BSEB CAREER के संस्थापक हैं। वे 6 साल के अनुभवी और समर्पित ब्लॉगर हैं, जो शिक्षा, नौकरी, छात्रवृत्ति और सरकारी योजनाओं की सटीक जानकारी देने के लिए जाने जाते हैं। इनका उद्देश्य युवाओं को सही जानकारी देकर उनका भविष्य बेहतर बनाना है। @nesarsirofficial
🔻हमारे सोशल मीडिया अकाउंट से जुड़े🔻
WhatsApp Gr.	Telegram Gr.
Facebook Page	Instagram Page
Download App	YouTube Channel
Class 12 Chemistry Chapter 8 Online Test 2027

Leave a Comment Cancel reply
