Question

Choose the correct answer out of the following choices.
(i) Assertion and reason both are correct statements and reason is correct explanation for assertion.
(ii) Assertion and reason both are correct statements but reason is not correct explanation for assertion.
(iii) Assertion is correct statement but reason is wrong statement.
(iv) Assertion is wrong statement but reason is correct statement.

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Assertion : Electrolysis of NaCl solution gives chlorine at anode instead of O2.
Reason : Formation of oxygen at anode requires overvoltage.


NCERT Class XII
Chemistry - Exemplar Problems

Chapter 3. Electrochemistry

Answer 1

(ii)is the answer (not 100 % sure).

Answer 2

Answer:

Explanation:

on electrolysis of nacl gives

2h2o+2e = h2 + 2oh-

and

2cl- = cl2+2e

yes formation of requires over voltage means extra voltage for which reaction occurs