MEDIUMMCQ SINGLEJEE Advanced ChemistryInorganic Chemistryp -Block Elements (group 15-18)Previous Year Questions

In pyrophosphoric acid the number of hydroxyl groups are (UP CMT 2013)

A.2

B.3

C.4✓ Correct

D.5

Explanation

Draw the structure of pyrophosphoric acid and count– OH groups in it. Pyrophosphoric acid has 4–OH groups.

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