Electrolysis

Q. A current of 3.7A is passed for 6hrs. between Ni electrodes in 0.5L of 2M solution in Ni(NO3)2. What will be the molarity of the solution at the end of electrolysis?

Ans: 2M. Shouldn't it be less than 2M since it started at 2M and the process continued for 6hrs. ? [7]

2 Answers

106
Asish Mahapatra ·

why should the molarity of the solution change at all? (assuming that neither of the electrodes has completely dissociated in the 6 hrs)

1
AVISIKTA UPADHYAY ·

the molarity will remain unchanged, that is 2M. None of electrodes has dissociated completely in d time given.

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