MCQ
${H_3}P{O_2}\xrightarrow{\Delta }(X) + P{H_3}$ is
- ADehydration reaction
- BOxidation reaction
- ✓Disproportionation reaction
- DNone
$4 H _3 PO _3 \rightarrow 3 H _3 PO _4+ PH _3$
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($1$) The compound $Y$ is
(image)
($2$)The compound $Z$ is
(image)
Give the answer or quetion ($1$) and ($2$)
