Question

Assertion : Sodium ions are discharged in preference to hydrogen ions at a mercury cathode.
Reason : $N{a}^{+}$is a strong reducing agent in comparison to $H^{+}$ion.

• A. If both Assertion and Reason a Assertion. is a correct explanation of the Assertion.
• B. If both Assertion and Reason are correct not a correct explanation of the Assertion.
• C. If the Assertion is correct but Reason is incorrect.
• D. If the Assertion is incorrect and Reason is correct.

Answer 1

Answer: (B)

The nature of the cathode can affect the order of discharge of ions.