Q.

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a

A - 5 B - 4 C - 2 D - 3

b

A -2 B - 4 C - 1 D - 3

c

A -2 B - 4 C - 1 D - 5

d

A - 5 B - 2 C - 1 D - 3

answer is B.

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Detailed Solution

1 Faraday is charge carried by 1 mole of electrons = 96500 Coulomb.At anode electrons are lost always,  Oxidation occurs because Oxidation involves Loss of electrons.At cathode electrons are gained always, Reduction occurs because Reduction involves gaining of electrons.
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