pBlock ElementsII 1 Question 69
64. The basicity of phosphorus acid $\left(\mathrm{H}{3} \mathrm{PO}{3}\right)$ is
(1990, 1M)
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Solution:
- $\mathrm{H}{3} \mathrm{PO}{3}\left[\mathrm{O}=\mathrm{PH}(\mathrm{OH})_{2}\right]$ is a dibasic acid.
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