A) A is \[C{{H}_{3}}-CH=CH-C{{H}_{2}}Br\]
B) B is \[C{{H}_{3}}CHBr-C{{H}_{2}}-C{{H}_{2}}-Br\]
C) C is cyclopropyi methane
D) B on \[{{S}_{N}}2\] with aqueous \[NaOH\] gives \[C{{H}_{3}}CHOH.C{{H}_{2}}C{{H}_{2}}Br\] and not \[C{{H}_{3}}CHBr.C{{H}_{2}}C{{H}_{2}}OH\]
Correct Answer: D
Solution :
[d] A is 1, 4-addition product due to conjugation B is obtained by further addition of HBr.\[(C{{H}_{3}}CHBr.C{{H}_{2}}.C{{H}_{2}}Br)\]. B gives C by cyclisation . If B reacts by \[{{S}_{N}}2\]mechanism, Br on \[1{}^\circ \] carbon must be replaced by \[O{{H}^{-}}\] to give \[C{{H}_{3}}CHBr-C{{H}_{2}}-C{{H}_{2}}OH.\]You need to login to perform this action.
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