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Q.

Statement I : The reaction of oxalic acid with acidified KMnO4 is first slow and then proceeds with faster speed

Statement II :  Acidified KMnO4 is a strong oxidizing agent

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a

Statement I is correct and II is incorrect

b

Both statement - I and II are incorrect

c

Statement I and II are correct

d

Statement - I is incorrect and Statement - II is correct

answer is A.

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Detailed Solution

KMnO4 - H2C2Oreaction in acidic medium slow in the begining but

rate increases after certain time called induction period. this is because Mn+2,

the product formed acts like Autocatalyst.

SRP value of MnO_4^-/Mn^{+2} is 1.52V

\therefore KMnO4 is a strong oxidant

I &II are true

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Statement I : The reaction of oxalic acid with acidified KMnO4 is first slow and then proceeds with faster speed Statement II :  Acidified KMnO4 is a strong oxidizing agent