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Question: Answered & Verified by Expert
The oxoacid of phosphorous which contains $4 \mathrm{P}-\mathrm{O}-\mathrm{H}$, $2 \mathrm{P}=\mathrm{O}$ and one $\mathrm{P}-\mathrm{O}-\mathrm{P}$ bond is
Chemistryp Block Elements (Group 15, 16, 17 & 18)TS EAMCETTS EAMCET 2022 (19 Jul Shift 2)
Options:
  • A Orthophosphoric acid
  • B Metaphosphoric acid
  • C Pyrophosphoric acid
  • D Hypophosphoric acid
Solution:
2261 Upvotes Verified Answer
The correct answer is: Pyrophosphoric acid
The structure of pyrophosphoric acid is


No. of $\mathrm{P}-\mathrm{O}-\mathrm{H}$ bond $=4$
No. of $\mathrm{P}=\mathrm{O}$ bond $=2$
No. of $\mathrm{P}-\mathrm{O}-\mathrm{P}$ bond $=1$

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