The basicity of pyrophosphorous acid is
The basicity of pyrophosphorous acid is
A. 2
B. 4
C. 1
D. 5
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Correct Answer - A
Pyrophosphorous acid is `H_4P_2O_5`
`HO-underset(O)underset(||)overset(H)overset(|)P-O-underset(O)underset(||)overset(H)overset(|)P-OH `
Since , two-OH groups are present hence , basicity is two.
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