Given below are half cell reactions: Will the permangan…

Biology NEET Previous Year Question Paper NEET 2022 Previous Year Question Paper Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 21, 2026

Given below are half cell reactions:

Will the permanganate ion liberate O 2 from water in the presence of an acid?

Yes, because E° ce]l = + 0.287 V

No, because E 0 cell = - 0.287 V

Yes, because E° cell = + 2.733 V

No, because E 0 cell = -2.733 V

Text Solution

Verified by Experts

The correct answer is:

(i) ; (ii) Using 2 x ; (i) ; (ii), net cell reactions is

........ (i)

......... (ii)

Using 2 x (i) + 5 x (ii), net cell reactions is

= 1.51-1.223

= 0.287V

As cell , the net cell reaction is spontaneous and therefore, liberate O 2 from in presence of an acid.

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