Question

In a solution of CuSO₄, how much time will be required to precipitate 2 g copper by 0.5 ampere current?

पर्याय

• 12157.48 sec

• 102 sec

• 510 sec

• 642 sec

Answer 1

12157.48 sec

Explanation:

m = `("E" xx "i" xx "t")/96500`

2 = `(31.75 xx 5 xx "t")/96500`

∴ t = 12157.48 sec