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Question
Vinyl bromide undergoes:
Vinyl bromide undergoes:
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Solution
The correct options are
A addition reaction
B elimination reaction
Vinyl Bromide (BrCH=CH2) shows both addition and elimination reactions.
In addition reaction, π bond breaks and it forms ethylidene bromide and in elimination reactions hydrogen bromide eliminates and forms alkyne.
CH2=CHBr+HBr→CH2−CH(Br)2
CH2=CH−BrNaNH2−−−−−→CH≡CH
Substitution is not possible as that would mean a sp2 carbon having a positive charge, which is unfavorable.
Rearrangement reaction is also not possible because of the simple reason that there are only two carbon atoms and rearrangement to a different structure cannot happen, as no other structure exists.
Options A and C are correct.
A addition reaction
B elimination reaction
Vinyl Bromide (BrCH=CH2) shows both addition and elimination reactions.
In addition reaction, π bond breaks and it forms ethylidene bromide and in elimination reactions hydrogen bromide eliminates and forms alkyne.
CH2=CHBr+HBr→CH2−CH(Br)2
CH2=CH−BrNaNH2−−−−−→CH≡CH
Substitution is not possible as that would mean a sp2 carbon having a positive charge, which is unfavorable.
Rearrangement reaction is also not possible because of the simple reason that there are only two carbon atoms and rearrangement to a different structure cannot happen, as no other structure exists.
Options A and C are correct.
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