Class 12 Chemistry Chapter 3 Online Test – Electrochemistry

Class 12 Chemistry Chapter 3 Online Test 2027: हेलो बच्चों, Electrochemistry (विद्युत रसायन) Class 12 Chemistry का महत्वपूर्ण Chapter है। इस अध्याय की तैयारी को Check करने के लिए यहां Chapter Wise Online Test उपलब्ध कराया गया है।
इस Chapter में Electrochemical Cells, Galvanic Cells, Electrode Potential, Nernst Equation, Conductance, Electrolytic Cells, Faraday’s Laws of Electrolysis और Batteries जैसे Topics शामिल हैं।
देखें इस पोस्ट में क्या-क्या है -
Class 12 Chemistry Chapter 3 Online Test 2027

यदि आप Board Exam में अच्छे अंक प्राप्त करने के लिए Chemistry की तैयारी कर रहे हैं, तो इस Chapter के Concepts और Numerical Questions का अभ्यास जरूर करें। नीचे दिए गए Online Test को Attempt करके अपनी तैयारी जांचें।

                
                
                
                    
                    
                    
                    
            
            
            
            
            
                
                    
                    
                    12th Chemistry Chapter 3 Online Test
                    तैयारी में दम है तो 24 मे से 20 सही कर के दिखाओ

                    
                    
                    
                    
                    
                    
                    
                    
                    
                

                                    
                                    
                                        
                                        
                                            
                                            
                                        
                                    
                                  

                    
                    
                    1 / 24
                    
                        
                        
                                On dilution, the specific conductivity (k) of an electrolytic solution:

                            
                            
                        
            
                

                

                Increases

            
            
                

                

                Remains same

            
            
                

                

                First increases then decreases

            
            
                

                

                Decreases

            
                        
                        
                        
                        
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

                    
                    
                    2 / 24
                    
                        
                        
                                In a Galvanic cell, the anode is:

                            
                            
                        
            
                

                

                Positively charged

            
            
                

                

                Neutral

            
            
                

                

                None of these

            
            
                

                

                Negatively charged

            
                        
                        
                        
                        
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

                    
                    
                    3 / 24
                    
                        
                        
                                Electrolysis of molten NaCl produces _____ at the cathode.

                            
                            
                        
            
                

                

                Chlorine gas

            
            
                

                

                Hydrogen gas

            
            
                

                

                Oxygen gas

            
            
                

                

                Sodium metal

            
                        
                        
                        
                        
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

                    
                    
                    4 / 24
                    
                        
                        
                                Which metal cannot be displaced by Hydrogen from its acid solution?

                            
                            
                        
            
                

                

                Zn

            
            
                

                

                Fe

            
            
                

                

                Cu

            
            
                

                

                Al

            
                        
                        
                        
                        
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

                    
                    
                    5 / 24
                    
                        
                        
                                The unit of equivalent conductivity is:

                            
                            
                        
            
                

                

                Ohm  cm^2   eq^-1

            
            
                

                

                S  cm  eq^-1

            
            
                

                

                S  cm^-2  eq

            
            
                

                

                Ohm^-1 cm^2. (g eq)^-1

            
                        
                        
                        
                        
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

                    
                    
                    6 / 24
                    
                        
                        
                                Which of the following is the strongest oxidizing agent?

                            
                            
                        
            
                

                

                Cl2

            
            
                

                

                Br2

            
            
                

                

                I2

            
            
                

                

                F2

            
                        
                        
                        
                        
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

                    
                    
                    7 / 24
                    
                        
                        
                                Corrosion of iron is an example of:

                            
                            
                        
            
                

                

                Reduction

            
            
                

                

                Electrolysis

            
            
                

                

                None of these

            
            
                

                

                Oxidation (Electrochemical process)

            
                        
                        
                        
                        
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

                    
                    
                    8 / 24
                    
                        
                        
                                The fuel used in a Fuel Cell to produce electricity is:

                            
                            
                        
            
                

                

                H2

            
            
                

                

                CH4

            
            
                

                

                CH3OH

            
            
                

                

                All of these

            
                        
                        
                        
                        
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

                    
                    
                    9 / 24
                    
                        
                        
                                Kohlrausch's law is used to calculate:

                            
                            
                        
            
                

                

                Molar conductivity at infinite dilution

            
            
                

                

                Degree of dissociation

            
            
                

                

                Dissociation constant of weak electrolyte

            
            
                

                

                All of the above

            
                        
                        
                        
                        
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

                    
                    
                    10 / 24
                    
                        
                        
                                The standard electrode potential of a Standard Hydrogen Electrode (SHE) is:

                            
                            
                        
            
                

                

                1.0 V

            
            
                

                

                2.0 V

            
            
                

                

                0.5 V

            
            
                

                

                0.0 V

            
                        
                        
                        
                        
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

                    
                    
                    11 / 24
                    
                        
                        
                                The charge required to deposit one mole of Aluminium (Al^3+) from AlCl3 is:

                            
                            
                        
            
                

                

                1 Faraday

            
            
                

                

                2 Faraday

            
            
                

                

                4 Faraday

            
            
                

                

                3 Faraday

            
                        
                        
                        
                        
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

                    
                    
                    12 / 24
                    
                        
                        
                                When a lead storage battery is charged:

                            
                            
                        
            
                

                

                PbO2 dissolves

            
            
                

                

                Pb SO4 is formed

            
            
                

                

                Lead is consumed

            
            
                

                

                H2SO4 is regenerated

            
                        
                        
                        
                        
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

                    
                    
                    13 / 24
                    
                        
                        
                                A device that converts chemical energy into electrical energy is called:

                            
                            
                        
            
                

                

                Electrolytic cell

            
            
                

                

                Voltmeter

            
            
                

                

                Ammeter

            
            
                

                

                Galvanic (Voltaic) cell

            
                        
                        
                        
                        
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

                    
                    
                    14 / 24
                    
                        
                        
                                Lemda  of strong electrolyte vs √c shows:

                            
                            
                        
            
                

                

                Linear increase

            
            
                

                

                No change

            
            
                

                

                Exponential growth

            
            
                

                

                Linear decrease

            
                        
                        
                        
                        
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

                    
                    
                    15 / 24
                    
                        
                        
                                The unit of cell constant is:

                            
                            
                        
            
                

                

                Ohm cm

            
            
                

                

                Ohm^-1 cm^-1

            
            
                

                

                cm

            
            
                

                

                cm^-1

            
                        
                        
                        
                        
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

                    
                    
                    16 / 24
                    
                        
                        
                                At infinite dilution, the degree of dissociation of a weak electrolyte is:

                            
                            
                        
            
                

                

                0

            
            
                

                

                O.5

            
            
                

                

                2

            
            
                

                

                1 (unity)

            
                        
                        
                        
                        
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

                    
                    
                    17 / 24
                    
                        
                        
                                Resistance of a conductor is directly proportional to:

                            
                            
                        
            
                

                

                Its area of cross-section (A)

            
            
                

                

                Specific heat

            
            
                

                

                Density

            
            
                

                

                Its length (l)

            
                        
                        
                        
                        
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

                    
                    
                    18 / 24
                    
                        
                        
                                Faraday's first law of electrolysis is represented by the formula:

                            
                            
                        
            
                

                

                E= mc^2

            
            
                

                

                m=ect

            
            
                

                

                Z/It

            
            
                

                

                m=ZIt

            
                        
                        
                        
                        
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

                    
                    
                    19 / 24
                    
                        
                        
                                The value of 1 Faraday is approximately equal to:

                            
                            
                        
            
                

                

                10000 Coulombs

            
            
                

                

                96000 Coulombs

            
            
                

                

                95500 Coulombs

            
            
                

                

                96500 Coulombs

            
                        
                        
                        
                        
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

                    
                    
                    20 / 24
                    
                        
                        
                                Which of the following is a secondary cell?

                            
                            
                        
            
                

                

                Dry cell

            
            
                

                

                Mercury cell

            
            
                

                

                All of these

            
            
                

                

                Lead storage battery

            
                        
                        
                        
                        
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

                    
                    
                    21 / 24
                    
                        
                        
                                The Nernst equation is related to:

                            
                            
                        
            
                

                

                Volume of the cell

            
            
                

                

                Surface area of electrodes

            
            
                

                

                None of these

            
            
                

                

                Temperature and concentration of ions

            
                        
                        
                        
                        
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

                    
                    
                    22 / 24
                    
                        
                        
                                In the electrolysis of aqueous NaCl, which gas is liberated at the anode?

                            
                            
                        
            
                

                

                Oxygen

            
            
                

                

                Hydrogen

            
            
                

                

                Nitrogen

            
            
                

                

                Chlorine

            
                        
                        
                        
                        
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

                    
                    
                    23 / 24
                    
                        
                        
                                The quantity of electricity required to liberate 11200 mL of H2 at STP is:

                            
                            
                        
            
                

                

                2 F

            
            
                

                

                0.5 F

            
            
                

                

                1.5 F

            
            
                

                

                1 F

            
                        
                        
                        
                        
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

                    
                    
                    24 / 24
                    
                        
                        
                                Highest ionic mobility in aqueous solution is of:

                            
                            
                        
            
                

                

                Li^+

            
            
                

                

                Na^+

            
            
                

                

                K^+

            
            
                

                

                H^+

            
                        
                        
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                        
                        
                            
                           
                        
                        
                    
                

            
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Test पूरा करने के बाद अपना Score देखें और गलत हुए प्रश्नों का Revision करें। Nernst Equation, Conductance और Electrochemical Cells जैसे Topics पर विशेष ध्यान देना उपयोगी रहेगा।
Chapter: Electrochemistry
Hindi Name: विद्युत रसायन
Class: 12th
Subject: Chemistry
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Class 12 Chemistry Chapter 3 Online Test 2027

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