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Question: Answered & Verified by Expert
The total number of $\sigma$ and $\pi$-bonds in pyrophosphoric acid are respectively
ChemistryChemical Bonding and Molecular StructureTS EAMCETTS EAMCET 2011
Options:
  • A 8, 2
  • B 10, 2
  • C 12, 2
  • D 8, 4
Solution:
1663 Upvotes Verified Answer
The correct answer is: 12, 2
The structure of pyrophosphoric acid $\left(\mathrm{H}_4 \mathrm{P}_2 \mathrm{O}_7\right)$ is as


Hence, it contains $12 \sigma$ and $2 \pi$-bonds.

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