pBlock ElementsII - Result Question 92
88. Complete and balance the following reaction.
Red phosphorus is reacted with iodine in the presence of water.
$P+I _2+H _2 O \longrightarrow \ldots+\ldots$
(1992, 1M)
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Solution:
Red phosphorus reacts with iodine in the presence of water to form $H _3 PO _3$ and $HI$ as-
$2 P+3 I _2+6 H _2 O \longrightarrow 2 H _3 PO _3+6 HI$