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Question: Answered & Verified by Expert
What is the result of heating orthophosphorous acid (or phosphorous acid)?
Chemistryp Block Elements (Group 15, 16, 17 & 18)NEET
Options:
  • A It forms phosphine (PH3)
  • B It forms orthophosphoric acid (or phosphoric acid)
  • C It forms pyrophosphorous acid
  • D It forms pyrophosphoric acid
Solution:
2154 Upvotes Verified Answer
The correct answer is: It forms orthophosphoric acid (or phosphoric acid)
The paragraph mentions that orthophosphorous acid (or phosphorous acid) disproportionates on heating to give orthophosphoric acid (or phosphoric acid) and phosphine (PH3).

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