JEE Main 2022Chemistryp Block Elements (Group 15, 16, 17 & 18)EasyMCQ

JEE Main 2022 — p Block Elements (Group 15, 16, 17 & 18) Question with Solution

JEE Main 2022 (27 Jul Shift 1)

Question

Which oxoacid of phosphorous has the highest number of oxygen atoms present in its chemical formula?

Choose an option

Show full solutionCorrect option: D
Correct answer
DPyrophosphoric acid

Step-by-step explanation

In oxoacids phosphorus is tetrahedrally surrounded by other atoms.
All these acids contain at least one P=O bond and one P–OH bond.

Pyrophosphorous acid →H4P2O5.

Hypophosphoric acid →H4P2O6.

Phosphoric acid →H3PO4.

Pyrophosphoric acid →H4P2O7.

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About this question

This is a previous-year question from JEE Main 2022, covering the p Block Elements (Group 15, 16, 17 & 18) chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.