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Write chemical equations to show what happens when:i. Ethanol is heated with concentrated sulphuric acid at 443 K.ii. Ethanol reacts with ethanoic acid in the presence of an acid acting as a catalyst.iii. An ester reacts with a base.
i. When ethanol is heated with concentrated sulphuric acid at 170∘C, it gets dehydrated to form ethene.
$C_2H_5OH \xrightarrow {sulphuric \ acid} C_2H_4 + H_2O$
ii. When ethanol reacts with ethanoic acid in the presence of a little concentrated sulphuric acid, a sweet-smelling ester called ethyl ethanoate is formed.
$C_2H_5OH + CH_3COOH \xrightarrow {acid} CH_3COOCH_2CH_3 + H_2O$
iii. When an ester reacts with base (NaOH), it gives ethanol and sodium ethanoate.
$CH_3COOCH_2CH_3 + NaOH \rightarrow CH_3COONa + CH_3CH_2OH$
Updated on: 10-Oct-2022
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