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A direct current of 3.0 amp (efficiency ...

A direct current of 3.0 amp (efficiency 75% ) was passed through 400 ml 0.2 M `Fe_(2)(SO_(4))_(3)` solution for a period of 60 min The resulting solution in cathode chamber was nalaysed by titrating against acidic `KMnO_(4)` solution 20 ml of `KMnO_(4)` required to reach the end point determine the molarity of `KMbO_(2)` solution

A

0.84 M

B

0.23 M

C

0.42 M

D

0.69 M

Text Solution

Verified by Experts

The correct Answer is:
0.84 M
0.84 M
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