SATHEE: Redox Reactions And Electrochemistry Ques 577

Redox Reactions And Electrochemistry Ques 577

Question: On passing current through two cells, connected in series containing solution of $A g N O_{3}$ and $C u S O_{4}$ , 0.18 g of Ag is deposited. The amount of the Cu deposited is:

Options:

A) 0.529 g

B) 10.623 g

C) 0.0529 g

D) 1.2708 g

Show Answer

Answer:

Correct Answer: C

Solution:

[c] Using Faraday’s second law of electrolysis, $\frac{W e i g h t, o f, C u, d e p o s o i t e d}{W e i g h t, o f, A g, d e p o s i t e d} = \frac{E q u ., w t ., o f, C u}{E q u ., w t ., o f, A g}$
$\Rightarrow \frac{w_{C u}}{0.18} = \frac{63.5}{2} \times \frac{1}{108}$
$\Rightarrow w_{C u} = \frac{63.5 \times 18}{2 \times 108 \times 100} = 0.0529 g .$

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Redox Reactions And Electrochemistry Ques 577

Question: On passing current through two cells, connected in series containing solution of AgNO3 and CuSO4 , 0.18 g of Ag is deposited. The amount of the Cu deposited is:

Options:

Answer:

Solution:

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Question: On passing current through two cells, connected in series containing solution of $A g N O_{3}$ and $C u S O_{4}$ , 0.18 g of Ag is deposited. The amount of the Cu deposited is: