CBSE Class 12-science Answered
(i) State one use each
of DDT and iodoform.
(ii) Which compound in
the following couples will react faster in SN2
displacement and why?
(a) 1-Bromopentane or
2-bromopentane
(b)
1-Bromo-2-methylbutane or 2-bromo-2methylbutane.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
(i) Use of DDT: It is used as an insecticide.
Use of iodoform: It is used as an antiseptic.
(ii) (a) 1 - Bromopentane will undergo faster SN2 displacement reaction than 2-bromopentane because 1- bromopentane has less steric hindrance than 2 -bromopentane. This is because 1- bromopentane is a primary alkyl halide whereas 2-bromopentane is a secondary alkyl halide.
(b) 1- Bromo-2-methylbutane will undergo SN2 reaction faster than 2- Bromo-2-methylbutane because 1- Bromo-2-methylbutane has less steric hindrance than 2- Bromo-2-methylbutane. This is because 1- Bromo-2-methylbutane is a primary alkyl halide whereas 2- Bromo-2-methylbutane is a tertiary alkyl halide.
Answered by | 04 Jun, 2014, 03:23: PM
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