JEE Main 2023Chemistryp Block Elements (Group 15, 16, 17 & 18)MediumNumerical

JEE Main 2023 — p Block Elements (Group 15, 16, 17 & 18) Question with Solution

JEE Main 2023 (31 Jan Shift 1)

Question

The oxidation sate of phosphorus in hypophosphoric acid is 

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Show full solutionCorrect answer: 4
Correct answer
4

Step-by-step explanation

Hypophosphoric acid H4P2O6

The oxidation state of phosphorus is 

⇒ 4 × 1 + 2 × x + 6 × -2 = 0

⇒ 4 + 2x - 12 = 0 

⇒ 2x - 8 = 0

⇒ 2x = 8

⇒ x = 82 = 4

 

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About this question

This is a previous-year question from JEE Main 2023, 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.