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In the following question, a statement of Assertion (i) followed by a statement of Reason (R) is given. Choose the correct option out of the following choices:

Assertion: Electrolysis of NaCl solution gives chlorine at anode instead of O_{2}.
Reason: Formation of oxygen at anode requires overvoltage.

(i) Both Assertion and Reason are true and the Reason is the correct explanation for Assertion.
(ii) Both Assertion and Reason are true and the Reason is not correct explanation for Assertion
(iii) Assertion is true but the Reason is false.
(iv) Both Assertion and Reason are false.
(v) Assertion is false but Reason is true.

Answers (1)

The answer is the option (i). Though the E^{o}  value for the formation of oxygen is lower than that for the formation of chlorine, it is not formed because it requires overvoltage.

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