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CBSE Class 12 · 2001 · Foreign · Aldehydes Ketones and Carboxylic AcidsShort Answer

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Write reactions with conditions for the following conversions:
i) methyl bromide to acetic acid
ii) benzene to toluene

Answer: (i) CH₃Br + KCN → CH₃CN, then hydrolyse (H₂O/H⁺, Δ) → CH₃COOH. (ii) Friedel–Crafts: C₆H₆ + CH₃Cl/anhyd. AlCl₃ → C₆H₅CH₃.

Solution

(i)

(nitrile route adds one carbon).
(ii)

CBSE Class 12 Board · 2001 · Foreign · Subjective

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