An alkyl halide (A) of molecular formula C₆H₁₃Cl on treatment with alcoholic KOH gives two isomeric alkenes (B) and (C) of molecular formula C₆H₁₂. Both alkenes on hydrogenation give 2,3-dimethylbutane. Write the structures of (A), (B) and (C).

Question

TextElimination Reactions of HaloalkanesCBSE PYQ

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Write the major alkene that would be formed by dehydrohalogenation of 2-Bromopentane.

Which would undergo SN2 reaction at a faster rate and why ? CH₃–CH₂–Br and CH₃–C(CH₃)₂–Br

TextSN2 Mechanism of SubstitutionElimination Reactions of HaloalkanesNucleophilic Substitution in Haloarenes

Why is chlorobenzene less reactive towards nucleophilic substitution reaction ?

1,2-Dichloroethane is heated with KOH (1 mole) in ethanol. The major product formed is :

Reaction of 1-phenyl-2-chloropropane with alcoholic KOH gives mainly :

Draw the structure of the major monohalo product for each of the following reaction: