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Haloalkanes and Haloarenes — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistryHaloalkanes and Haloarenes1 Mark
MCQ
$\mathrm{C}_6 \mathrm{H}_{13} \mathrm{Br}+\mathrm{OH}^{-} \longrightarrow \mathrm{C}_6 \mathrm{H}_{13} \mathrm{OH}+\mathrm{Br}^{-}$  is an example of:
  • A
    Nucleophilic addition
  • ✓
    Nucleophilic substitution
  • C
    Electrophilic addition
  • D
    Free radical substitution
✓

Answer

Correct option: B.
Nucleophilic substitution
$\mathrm{C}_6 \mathrm{H}_{13} \mathrm{Br}+{ }^{\ominus} \mathrm{OH} \rightarrow \mathrm{C}_6 \mathrm{H}_{13} \mathrm{OH}+\mathrm{Br}^{\ominus}$
It is hydrolysis of alkyl halides.
It is an example of $\mathrm{S}_{\mathrm{N}}{_2}$ reaction i.e. nucleophilic substitution reaction.

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