MCQ
$C{H_3}CH = CHCHO$ is oxidized to $C{H_3}CH = CHCOOH$ using
- AAlkaline potassium permanganate
- ✓Acidified potassium permanganate
- CSelenium dioxide
- DOsmium tetroxide
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$X$ and $Y$ respectively are :
${{O}_{(g)}}+{{e}^{-}}=O_{(g)}^{-}\Delta {{H}^{o}}=-142\ kJ\,mo{{l}^{-1}}$
$O_{(g)}^{-}+{{e}^{-}}=O_{(g)}^{2-}\Delta {{H}^{o}}=844\ kJ\,mo{{l}^{-1}}$
$2KMn{O_4} + 2KOH \to 2{K_2}Mn{O_4} + {H_2}O + O$
Therefore its equivalent weight will be