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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