A. 2.01g
B. 1.00g
C. 4.02g
D. 8.04g
Correct Answer:
Option C = 4.02g
Explanation
Zn2+ + 2e– → Zn
2F will be liberated 65g of Zn, if 0.65gm of Zn is liberated, the quantity of electricity used
X = (0.65/65) X 2
= 0.02F
∴ Hg+ + e– → Hg¹
i.e 1F → 201gm of Hg
∴ 0.02 will liberated
Y = (0.02/1) X 201
= 4.02g
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