InterviewSolution
Saved Bookmarks
| 1. |
A current of `2` A was passed for `1 h` through a solution of `CuSO_4. 0.237g` of `Cu^(2+)` ions was discharged at cathode . The current efficiency is .A. ` 42. 2%`B. ` 26 .1%`C. ` 10%`D. ` 40.01 %` |
|
Answer» Correct Answer - C ` W= ( 63.5)/(2xx 96500) xx 2 xx 60 xx 60= 2 37 g` `%` of efficlency `= (0. 237)/(2.37) xx 10%`. |
|