In pyrophosphorous acid,the number of P-OH,P- | vedclass

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Question

(A) The chemical formula of pyrophosphorous acid is $H_4P_2O_5$.It is formed by the condensation of two molecules of phosphorous acid $(H_3PO_3)$ with

Vedclass · Accepted Answer

$2, 2, 2$

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(A) The chemical formula of pyrophosphorous acid is $H_4P_2O_5$.It is formed by the condensation of two molecules of phosphorous acid $(H_3PO_3)$ with the loss of one water molecule: $2H_3PO_3 \rightarrow H_4P_2O_5 + H_2O$.The structure is $(HO)(H)P(=O)-O-P(H)(=O)(OH)$.In this structure:- There are $2$ $P-OH$ bonds.- There are $2$ $P-H$ bonds.- There are $2$ $P=O$ bonds.Therefore,the number of $P-OH$,$P-H$,and $P=O$ linkages are $2, 2, 2$ respectively.

In pyrophosphorous acid,the number of $P-OH$,$P-H$,and $P=O$ linkages are respectively:

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