pBlock ElementsII - Result Question 55
####5. The pair that contains two $P-H$ bonds in each of the oxoacids is
(2019 Main, 10 Jan II)
(a) $H _4 P _2 O _5$ and $H _4 P _2 O _6$
(b) $H _3 PO _3$ and $H _3 PO _2$
(c) $H _4 P _2 O _5$ and $H _3 PO _3$
(d) $H _3 PO _2$ and $H _4 P _2 O _5$
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Solution:
- Let us consider the structure of the phosphorus oxyacids,
$$ (P-H \text { bonds }=2) $$
