Saurabh Yadav posted an Question
December 25, 2020 • 20:29 pm 30 points
  • IIT JAM
  • Chemistry (CY)

Why alc. koh is preferred over aq. koh in the dehydrohalogenation of alkyl halide

why alc. KOH is preferred over aq. KOH in the dehydrohalogenation of alkyl halide

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    Priyanshu kumar best-answer

    Alcoholic KOH dissociates in water to give RO- ions which is a strong base it abstracts hydrogen giving rise to elimination in reaction. Whereas, Aq KOH dissociates in water giving - OH ions which is a good nucleophile and prefers substitution in a reaction. So,Alc Koh preferred over ag Koh

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