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Question

Assertion :H2O2 acts only as an oxidising agent.
H2O2H2O+O Reason: All peroxides behaves as oxidising agents only.

A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
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B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
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C
Assertion is correct but Reason is incorrect
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D
Both Assertion and Reason are incorrect
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Solution

The correct option is D Both Assertion and Reason are incorrect
H2O2 acts both as an oxidising and a reducing agent.
(H2O2O2+2H+2e)
(Oxidation; acts as a reducing agent)
(2e+2H+H2O22H2O)
(Reduction; acts as oxidising agent)
In H2O2, the oxidation number of O is -1. O can have a minimum oxidation number of -2 and a maximum oxidation number of zero. The oxidation number can either decrease from -1 to -2 or can increase from -1 to zero.
All peroxides can act either as an oxidising agent or as a reducing agent or both.

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