Home Chemistry Chemical Bonding and Molecular Structure Hydrogen Bonding Pure phosphoric acid is very viscous because…
Chemistry Chemical Bonding and Molecular Structure Hydrogen Bonding Single Correct MCQ
Published on: August 12, 2026

Pure phosphoric acid is very viscous because :

A
it is a strong acid
B
it is tribasic acid
C
it is hygroscopic
D
it has PO 43- groups which are bonded by many hydrogen bonds

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Verified by Experts
The correct answer is:
D

In pure phosphoric acid the PO 43- groups are bonded together through many hydrogen bonds.

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