pBlock ElementsII 1 Question 113
110. Give structural formula for the following.
(i) Phosphorous acid, $\mathrm{H} _{3} \mathrm{PO} _{3}$
(ii) Pyrophosphoric acid, $\mathrm{H} _{4} \mathrm{P} _{2} \mathrm{O} _{7}$
(1981,2 M)
BETA
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