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Statement-1: H(2)O(2) liberates O(2) whe...

Statement-1: `H_(2)O_(2)` liberates `O_(2)` when it reacts with acidified `KMnO_(4)` solution
Statement-2: `KMnO_(4)` oxidised `H_(2)O_(2)` to `O_(2)`.

A

Statement-1 is true, statement-2 is true, statement-2 is a correct explanation for statement-1

B

Statement-1 is true, statement-2 is true, statement-2 is not correct explanation for statement-1

C

Statement-1 is true, statement-2 is false

D

Statement-1 is false, statement-2 is true

Text Solution

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The correct Answer is:
A
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A : H_2O liberate O_2 an reaction with KMnO_4 in acidic medium. R : KMnO_4 oxidises H_2O_2" to " O_2 .

KMnO_(4)+H_(2)O_(2) rarr Mn^(2+)-O_(2)

Assertion If 10 mL of a H_(2)O_(2) solution required 8.00 mL of 0.02 M acidified KMnO_(4) solution for complete oxidation, 12.50 mL of same H_(2)O_(2) will oxidise completely to 5.00 mL of 0.10 M Na_(2)C_(2)O_(4) solution. Reason H_(2)O_(2) act as both oxidising as well as reducing agent.