Assertion : Electrolysis of NaCl solution gives chlorine at anode instead of `O_(2)`.
Reason : Formation of oxygen at anode requires overvoltage.
A. Both assertion and reaction are true and the reason is correct explanation for assertion
B. Both assertion and reason are true and reason is not correct explanation for assertion
C. ) Assertion is true but the reason is False.
D. Both assertion and reason are false.