Assertion: Zinc displaces copper from copper sulphate solution.

Reason: The EO of Zn is volt and that of copper is volt.

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Both assertion and reason are correct and reason is the correct explanation for assertion

Both assertion and reason are correct but reason is not the correct explanation for assertion.

Assertion is correct but the reason is incorrect.

Assertion is incorrect but the reason is correct.

answer is A.

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Detailed Solution

Concept-The metals which have lower reduction potential are more reactive and can easily displace the metals which have higher reduction potential.
According to the reactivity series of the metal, Zinc metal lies above the copper, and therefore zinc is more reactive and has lower reduction potential as that of copper.
EO for Zn is -

and EO for copper is

.
So, zinc is more reactive as that of copper and can easily displace copper from copper sulphate solution.
Hence, Both assertion and reason are correct and reason is the correct explanation for assertion.
Hence, the correct option is 1.

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