Which of the following compounds has a \(\mathrm{P-P}\) bond ?
Show Hint
- \(\mathrm{H_4P_2O_5}\)
- \(\mathrm{H_4P_2O_6}\)
- \(\mathrm{H_4P_2O_7}\)
- \(\mathrm{(HPO_3)_3}\)
The Correct Option is B
Solution and Explanation
\(\mathrm{H_4P_2O_5}\) (pyrophosphorous acid) has a P-O-P linkage.
\(\mathrm{H_4P_2O_6}\) (hypophosphoric acid) is \(\mathrm{(HO)_2P(O)-P(O)(OH)_2}\) and contains a P-P bond.
\(\mathrm{H_4P_2O_7}\) (pyrophosphoric acid) has a P-O-P linkage.
\(\mathrm{(HPO_3)_3}\) (cyclotrimetaphosphoric acid) is a ring with P-O-P linkages.
So only \(\mathrm{H_4P_2O_6}\) has a P-P bond.
Answer: (2) \(\mathrm{H_4P_2O_6}\)
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