MCQ
When ${H_2}S$ is passed through acidified $KMn{O_4},$ we get
- A${K_2}S{O_3}$
- B$Mn{O_2}$
- C$KHS{O_3}$
- ✓$Sulphur$
${K_2}S{O_4} + 2MnS{O_4} + 8{H_2}O + 5S$
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$(A)\,\xrightarrow[{excess}]{{Me\, - \,I}}\,(C)\,\xrightarrow[{(ii)\,\,{H^ + }}]{{(i)\,\,NaN{H_2}}}(D)$
$I :$ glycerol $II : $ glycol
$III : 1 , 3-$ propenediol $IV :$ methoxy $ -2- $ propanol