Solve this: 101 The mass in grams of copper will be deposited from a solution of Cu2+ by a - Chemistry - Electrochemistry

Question

Solve this:
101 The mass in grams of copper will be deposited from a solution
of Cu2+ by a current of 2 50 A in 2 hours, is
(a) 23 7
(b) 0 187
(c) 1 65
(d) 5 93

Vartika Jain · Accepted Answer

Dear Student,

We know that, Charge, Q = It                   =2
50×2×60×60                   =18000 CNow, the reaction is Cu2+ + 2e- → Cu(s)2F i
e
 2×96500 C of charge deposits 1 mol i
e  63
5 g of CuSo, 18000C charge will deposit 63
52×96500×18000=5
93 gHence, correct answer is (d)

Solve this: 101. The mass in grams of copper will be deposited from a solution of Cu2+ by a current of 2.50 A in 2 hours, is (a) 23 7 (b) 0.187 (c) 1.65 (d) 5 93

Solve this:
101. The mass in grams of copper will be deposited from a solution of Cu²⁺ by a current of 2.50 A in 2 hours, is
(a) 23 7
(b) 0.187
(c) 1.65
(d) 5 93