The number of \( \mathrm{P}-\mathrm{O}-\mathrm{P} \) and \( \mathrm{P}-\mathrm{O}-\mathrm{H} \) ...

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The number of \( \mathrm{P}-\mathrm{O}-\mathrm{P} \) and \( \mathrm{P}-\mathrm{O}-\mathrm{H} \) bonds present respectively in pyrophosphoric acid molecule are :
(A) 1,2
(B) 2,2
(C) 1,4
(D) 1,8
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