Question

1 mole electron passes through each of the solution of AgNo3,CuSo4 and AuCl3 . The mole ratio of Ag,Cu and Au deposited are

Answer 1

weight of metal deposited directly proportional to equivalent weight of the metal

Equivalent Mass of Ag+= 108

Equivalent Mass of Cu2+=63.54/2=31.77

Equivalent Mass of Au3+=197/3=65.67

The Molar ratio of Ag:Cu:Au

=1 : 1/2 : 1/3

=6 : 3 :2

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