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Give the structural formula for the foll...

Give the structural formula for the following :
(i) Phosphorous acid, `H_3 PO_3`
(ii) Pyrophosphoric acid, `H_4 P_2 O_7`.

Text Solution

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(i) `underset((H_(3)PO_(3)))(HO-overset(O)overset(||)underset(H)underset(|)(P)-OH)`
`(ii) underset((H_(4)P_(2)O_(7)))(OH-overset(P)overset(||)underset(OH)underset(|)(P)-O-overset(P)overset(||)underset(OH)underset(|)(P)-OH)`
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