A) nucleophilic substitution reaction
B) elimination reaction
C) both nucleophilic substitution and elimination reaction
D) rearrangement
Correct Answer: B
Solution :
Key Idea: \[R-C{{H}_{2}}-C{{H}_{2}}X+KOH(alc)\xrightarrow{{}}\] \[R-CH=C{{H}_{2}}+K\,X+{{H}_{2}}O\] Alkyl halide undergo \[\beta \]-elimination to form alkene \[\therefore \] Elimination reaction is correct choice. (i) Nucleophilic substitution reaction is used to convert alcohol into alkyl halide. (ii) In rearrangement reaction one molecule changes into other via internal changes.
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