Q.
Weight of copper (atomic mass 63.5) deposited when 2 Faradays of electricity is passed through cupric salt solution is
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a
63.5g.
b
31.15g.
c
127g.
d
2g.
answer is A.
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Detailed Solution
1 F deposits 1 eq of any substance.2 F deposits 2 eq. 1 eq of Cu =32.75 gm2 eq of Cu = 2 x 32.75 =63.5 gm.
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