1.

Assertion: Galvanished iron does not rust. Reason: Zinc ha a more negative electrode potential than iron.

Answer»

if both assertion and reason are true and the reason is the correct explanation of the assertion.
If both assertion and reason are true but reason is not the correct explanation of the assertion.
If assertion is true but reason is false
If the assertion and reason both are false.

Solution :Zinc metal which has a more negative electrode potential than iron will PROVIDE electrons in preference of the iron, and therefore CORRODE FIRST. Only when all the zinc has been oxidised does the iron start to RUST.


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