Which of the following is not a reducing agent ?

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H3PO2

H3PO3

H4P2O5

H4P2O7

answer is D.

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Detailed Solution

H3PO2, H3PO3 and H4P2O5 all have P—H links and, are reducing agents. H4P2Q7 does not have P—H link and is, thus, not a reducing agent.

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