A xleftarrow[Delta]{Cu} CH_3CH_2OH xrightarro | vedclass

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(C) The reaction of ethanol $(CH_3CH_2OH)$ with $Cu$ at $573 \ K$ $(\Delta)$ is a dehydrogenation reaction that produces an aldehyde (alkanal),$CH_3CH

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Alkanal,alkene

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(C) The reaction of ethanol $(CH_3CH_2OH)$ with $Cu$ at $573 \ K$ $(\Delta)$ is a dehydrogenation reaction that produces an aldehyde (alkanal),$CH_3CHO$ $(A)$.The reaction of ethanol $(CH_3CH_2OH)$ with $Al_2O_3$ at $623 \ K$ $(\Delta)$ is a dehydration reaction that produces an alkene,$CH_2=CH_2$ $(B)$.Therefore,$A$ is an alkanal and $B$ is an alkene.

$A \xleftarrow[\Delta]{Cu} CH_3CH_2OH \xrightarrow[\Delta]{Al_2O_3} B$. $A$ and $B$ respectively are

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