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Assertion : Equivalent mass of KMnO(4) ...

Assertion : Equivalent mass of `KMnO_(4)` is equal to one-fifth of its molecular mass when it acts as an oxidising agent in acidic medium.
Reason : Oxidation number of Mn in `KMnO_(4)` is `+7`.

A

If both Assertion and Reason are correct, and Reason is the correct explanation of Assertion.

B

If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion.

C

If Assertion is correct, but Reason is incorrect.

D

If Assertion is incorrect, but Reason is correct.

Text Solution

Verified by Experts

The correct Answer is:
B
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(a). IF both (A) and (R) are correct and (R) is the correct explanation of (A). (b). If both (A) and (R) are correct but (R) is not the correct explanation of (A). (c). If (A) is correct, but (R) is incorrect. (d). If (A) is incorrect, but (R) is correct. ltbr. (e) if both (A) and (R) are incorrect. Q. Assertion (A): Equivalent mass of KMnO_(4) is equal to one-fifth of its molecular mass when it acts as oxidising agent in mild basic medium. Reason (R): Oxidation number of Mn in KMnO_(4) is +7 .

Statement-1: Equivalent mass of KMnO_(4) is equal to one-third of its molecular mass when it acts as an oxidising agent in an alkaline medium. Statement-2: Oxidation number of Mn is +7 in KMnO_(4) .

Write ionic equation showing KMnO_4 acting as an oxidising agent in acidic medium.

Calculate the oxidation number of Mn in KMnO_(4) molecule.

Equivalent weight of KMnO_(4) acting as an oxidant in acidic medium is