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Question
How will you convert propanoic acid into ethanoic acid?
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Solution
\[\ce{\underset{Propanoic acid}{CH3CH2COOH} ->[NH3] CH3CH2COONH4 ->[\Delta][-H2O] CH3CH2CONH2 ->[Br2/KOH] CH3CH2NH2 ->[dil. HCl + NaNO2] CH3CH2OH ->[K2Cr2O7][H2SO4] \underset{Ethanoic acid}{CH3COOH}}\]
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