`CH_(3) overset(CH_3)overset(|)underset((a))underset(Br)underset(|)C-CH_3 " "CH_3-underset((b))underset(Br)underset(|)CH-CH_3, " " CH_3 - underset((c))CH-Br` Compare the of `E_2` reaction :
A
`c gt b gt a`
B
`a gt b gt c`
C
`b gt a gt c`
D
`c gt a gt b`
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The correct Answer is:
B
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CH_2 = CH - CH = underset(CH_3)underset(|)C-CH_3 overset(+HBr)to CH_3-overset(Br)overset(|)CH-CH = underset(CH_3)underset(|)C-CH_3 + underset((II))(CH_3 - CH ) = CH - underset(CH_3)underset(|)overset(Br)overset(|)C-CH_3 Correct statement about the above reaction is
Which alkyl halide from the following pairs would you expect to react more rapidly by an S_N2 mechanism ? Explain your answer. (i) underset((A))(CH_3CH_2Br) " or " underset((B))underset(Br)underset(|)(CH_3CH_2CHCH_3) (ii) underset((C))underset(Br)underset(|)(CH_3CH_2CHCH_3) " or " underset((D))underset(CH_3)underset(|)(H_3C-C-Br) (iii) underset((E))underset(CH_(3))underset(|)(CH_3CHCH_2CH_2Br) " or " underset((F))underset(CH_3)underset(|)(CH_3CH_2CHCH_2Br)
The IUPAC name of CH_3-underset(C)underset(|)(C)=underset(CH_3)underset(|)Cl-underset(C_2H_5)underset(|)C-CH_2-C-=CH is :