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Question

Chemistry Question on p -Block Elements

Which one of the following contains POPP - O - P bond ?

A

Hypophosphorus acid

B

Phosphorus acid

C

Pyrophosphoric acid

D

Orthophosphoric acid

Answer

Pyrophosphoric acid

Explanation

Solution

The structures of the given acids are as

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Thus, P?O?PP? O? P bond is present in pyrophosphoric acid.