Q. 545.0( 7 Votes )

How would you bring about the following conversions? Name the process and write the reaction involved.

(a) ethanol to ethene.

(b) propanol to propanoic acid.

Write the reactions.

Answer :

(a) Ethanol is dehydrated in the presence of concentrated sulphuric acid to obtain ethene.

This can be shown by the following equation:

CH3CH2OH + conc. H2SO4 CH2=CH2 + H2O

(b) Propanol is oxidised by an oxidizing agent potassium permanganate to obtain propanoic acid.

This can be shown by the following equation:

CH3CH2CH2OH + alkaline KMnO4 CH3CH2OOH

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