Assertion :Moles of KMnO4 required for oxidation of Fe2 in acidic and basic medium will be different. Reason: Final oxidation state to which M will be reduced will be different in case of acidic and basic medium.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
In acidic medium Mn is reduced from +7 to +2 . Thus the valence factor is 5
In basic medium Mn is reduced from +7 to +6. Thus valence factor is 1
Because of different valence factors , different number of moles of KMnO4 will be required in respective reactions
Thus both assertion and reason are correct and reason is the correct explanation

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