MHT CET 2026 Chemistry question
Identify the product obtained when 2-chlorobutane is heated with aqueous solution of potassium hydroxide.
Answer: (D)
Solution
Aqueous KOH is a nucleophilic reagent (hydroxide in water favours substitution): \mathrm{CH_3CHClCH_2CH_3 + KOH_{(aq)} \rightarrow CH_3CH(OH)CH_2CH_3 + KCl}. The OH replaces Cl on the same carbon (C2), giving butan-2-ol, option (D). The alkenes (A) but-1-ene
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