In a molecule of pyrophosphoric acid, the

Question:

In a molecule of pyrophosphoric acid, the number of $\mathrm{P}-\mathrm{OH}, \mathrm{P}=\mathrm{O}$ and $\mathrm{P}-\mathrm{O}-\mathrm{P}$ bonds/ moiety(ies) respectivey are :

  1. 3,3 and 3

  2. 2,4 and 1

  3. 4,2 and 0

  4. 4,2 and 1


Correct Option: , 4

Solution:

Pyrophosphoric acid.

$\mathrm{P}-\mathrm{OH}$ linkages $=4$

$P=O$ linkages $=2$

$\mathrm{P}-\mathrm{O}-\mathrm{P}$ linkages $=1$

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