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Q.

Assertion (A): One Faraday of electricity deposit one gram equivalent of Ag (or) Cu (or) Al
Reason (R): One mole of electrons are required to reduce one mole of each $A g^{+} (o r) C u^{+ 2} (o r) A l^{+ 3}$

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a

A and R is True, ‘R’ is not correct explanation of A

b

A is false, R is True

c

A is True, R is false

d

A & R is True, ‘R’ is the correct explanation of A

answer is D.

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Detailed Solution

$A g^{+} + e^{-} \to A g C u^{+ 2} + 2 e^{-} \to C u A l^{+ 3} + 3 e^{-} \to A l$

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