Which is the strongest reducing agent among $A l, A g, N i$ ?
$(A l = - 1.66 v) (A g = + 0.80 v) (N i = - 0.25 v)$

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Solution

The strength of reducing agent depends upon the standard reduction potential. The high negative value indicates strong nature of reducing agent.
Here, among $A l$ , $A g$ and Nickel, Aluminium has most negative value. So it will be the strongest reducing agent.
$A l > N i > A g$ .

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C u {S O}_{4}

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