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Question
How can the following conversions be brought about:
(i) Acetic acid to methyl cyanide.
(ii) Acetaldehyde to formaldehyde.
(iii) Nitrobenzene to 2, 4, 6 tribromoaniline.
Solution
(i)
(ii)
\[\ce{\underset{\text{Acetaldehyde}}{CH3CHO} ->[(O)]\underset{\text{Acetic acid}}{CH3COOH}->[+NH3][\Delta(-H2O)] +\underset{\text{Acetanide}}{CH3CONH2}->[Br2/KOH]\underset{\text{Formaldehyde}}{HCHO}<-[(O)]\underset{\text{Methyl alcohol}}{CH3OH}<-[NaNO2 + HCl]\underset{\text{Methylamine}}{CH3NH2}}\]
(iii)
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