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Q.

Statement - I :  Passage of same quantity of electricity deposits more amount of copper from aq. Cu2Cl2 than from aq. CuSO4
Statement - II  Eq.wt of copper is more in CuSO4 than in Cu2Cl2

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a

Both statements I and II are correct

b

Statement-I is incorrect and statement-II is correct

c

Both statements I and II are incorrect

d

Statement-I is correct and statement-II is incorrect

answer is B.

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Detailed Solution

If same quantity of electricity is passed through CuCl and CuSO4, the ratio of the weights of Cu deposited from CuSO4 and CuCl is 1:2.
2 moles of electrons will deposit 1 mole of Cu from CuSO4 whereas 2 moles of electrons will deposit 2 moles of Cu from CuCl. This is because the valence of Cu in CuSO4 and CuCl is 2 and 1 respectively.

Equivalent weight of copper is more in Cu2Cl2 than in CuSO4

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