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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 assertion and reason and correct and reason explanation for assertion.

B

If both assertion and reason are correct but reason is not correct explanation for assertion

C

If assertion is correct but reason is incorrect

D

If both assertion and reason are incorrect

Text Solution

Verified by Experts

The correct Answer is:
A
Reason is the correct explanation for assertion
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