pBlock ElementsII 1 Question 92
88. Complete and balance the following reaction.
Red phosphorus is reacted with iodine in the presence of water.
$\mathrm{P}+\mathrm{I}{2}+\mathrm{H}{2} \mathrm{O} \longrightarrow \ldots+\ldots$
(1992, 1M)
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Solution:
- Red phosphorus reacts with iodine in the presence of water to form $\mathrm{H}{3} \mathrm{PO}{3}$ and $\mathrm{HI}$ as-
$$ 2 \mathrm{P}+3 \mathrm{I}{2}+6 \mathrm{H}{2} \mathrm{O} \longrightarrow 2 \mathrm{H}{3} \mathrm{PO}{3}+6 \mathrm{HI} $$
