| Assertion: Sodium ions are discharged in preference to hydrogen ions at a mercury cathode. |
| Reason: The nature of the cathode can effect the order of discharge of ions. |
| Read the assertion and reason carefully to mark the correct option out of the options given below: |
A) If both assertion and reason are true and the reason is the correct explanation of the assertion.
B) If both assertion and reason are true but reason is not the correct explanation of the assertion.
C) If assertion is true but reason is false.
D) If the assertion and reason both are false.
E) If assertion is false but reason is true.
Correct Answer: A
Solution :
[a] The nature of the cathode can affect the order of discharge of ions.
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