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Year: 2024
Topic: Electrochemistry
1. Match List-I with List-II:

Choose the correct answer from the options given below:

(1).A-II, B-III, C-I, D-IV

(2). A-III, B-IV, C-II, D-I

(3). A-II, B-IV, C-I, D-III

(4). A-III, B-IV, C-I, D-II

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Year: 2024
Topic: Electrochemistry
2. Mass in grams of copper deposited by passing 9.6487 A current through a voltmeter containing copper sulphate solution for 100 seconds is:
(Given: Molar mass of \(\text{Cu:}\, 63\,g\,\text{mol}^{-1}\), \(1\text{F}\, =\, 96487 \text{C}\))

(1).31.5 g

(2). 0.0315 g

(3). 3.15 g

(4). 0.315 g

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Year: 2025
Topic: Electrochemistry
3. If the molar conductivity (\(\Lambda_m\)) of a 0.050 mol L-1 solution of a monobasic weak acid is 90 S cm2 mol-1, its extent (degree) of dissociation will be
[Assume \(\Lambda_+^\circ\, =\, 349.6 \,S\, cm^2\, mol^{-1} \text{and} \, \Lambda_-^2\, =\, 50.4\, S\, cm^2\, mol^{-1}\)]

(1).0.215

(2). 0.115

(3). 0.125

(4). 0.225

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