Question

The amount of copper deposited by one Faraday current
will be maximum in an acidic solution of one litre of
(b) 2M Cu(NO3)2
(d) 5M Cu3(PO4)2
(e) 10M CuF2
(a) 1M CuCl2
(c) 5M CuSO4​

Answer 1

Answer:

(d)

Explanation:

Normality = No. of gram equivalent

Vol. of sol.

Here Volume of solution for each is constant.

so we will calculate normality from molarity of each.

• 2M × 1 = 2
• 5M × 3 = 15
• 10M × 1 = 10
• 1M × 1 = 1
• 5M ×1 =5

AS YOU CAN SEE HIGHEST IS FOR D.

Therefore ans. is d.

Answer 2

Answer:

(d) 5M Cu3(PO4)2

Explanation:

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