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Assertion (A): Sodium ions are discharge...

Assertion (A): Sodium ions are discharged in preference to hydrogen ions at a mercury cathode.
Reason (R ): The nature of cathode can affect the order of discharge of cations.

A

If both (A) and (R ) are correct and (R ) is the correct explanation of (A).

B

If both (A) and (R ) are correct, but (R ) is not the correct explanation of (A).

C

If (A) is correct, but (R ) is incorrect.

D

If (A) is incorrect, but (R ) is correct.

Text Solution

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The correct Answer is:
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