The maximum number of P-H bonds is present in | vedclass

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Question

(C) $1$. Orthophosphorous acid $(H_3PO_3)$: Contains $1$ $P-H$ bond.$2$. Pyrophosphoric acid $(H_4P_2O_7)$: Contains $0$ $P-H$ bonds.$3$. Pyrophosphor

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Pyrophosphorous acid

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(C) $1$. Orthophosphorous acid $(H_3PO_3)$: Contains $1$ $P-H$ bond.$2$. Pyrophosphoric acid $(H_4P_2O_7)$: Contains $0$ $P-H$ bonds.$3$. Pyrophosphorous acid $(H_4P_2O_5)$: Contains $2$ $P-H$ bonds.$4$. Hypophosphoric acid $(H_4P_2O_6)$: Contains $0$ $P-H$ bonds.Therefore,Pyrophosphorous acid has the maximum number of $P-H$ bonds.

The maximum number of $P-H$ bonds is present in a molecule of:

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