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Q. The standard reduction potential of three metals $ X,Y $ and $ Z $ are $0.52, -3.03 $ and $-1.18\,V $ respectively. The order or reducing power of the corresponding metals is

BHUBHU 2010

Solution:

More negative is the value of reduction potential, higher is the reducing power. The order of reduction potential is
$\underset{'Y'}{-3.03 V} >\underset{'Z'}{-1.18 V} >\underset{'X'}{0.52}$
Thus, the order of reducing power is
$Y > Z > X$