First slide

Faraday's Laws

Question

For the discharge of equal masses of the following ions, the number of electrons required is maximum in the case of

Easy

A

H⁺
B

Cu²⁺
C

Ag⁺
D

Al³⁺

Solution

Number of electrons required to deposit α Number of equivalents deposited α $\frac{{mass}}{{Eqivalent\,weight}}$

   Element               Equivqlent weight

    H 1

   Cu 32

   Ag 108

   Al 9

less is the equivalent mass more equivalents are deposited for same mass and electrons required is more.

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