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Question

On passing one faraday of electricity through the electrolytic cells containing Ag+,Ni+2 and Cr+3 ions solution, the deposited Ag (At.wt.=108), Ni(At.wt.=59) and Cr(At.wt.=52) is

Ag(in gm)Ni(in gm)Cr(in gm)a)1085952b)10829.517.3c)3619.617.3d)108108108

A
a
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B
b
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C
c
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D
d
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Solution

The correct option is B b

Wt. of Ag deposited = Equivalent weight of Ag =1081=108 gm
Wt. of Ni deposited = Equivalent weight of Ni =592=29.5 gm
Wt. of Cr deposited = Equivalent weight of Cr =523=17.3 gm


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