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Questions
Write the main products when n-butyl chloride is treated with alcoholic KOH.
What happens when n-butyl chloride is treated with alcoholic KOH?
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Solution
When n-butyl chloride is treated with alcoholic KOH, but-1-ene forms. This reaction is an example of β-hydrogen elimination brought about by C2H5O−.
\[\ce{\underset{n-Butylchloride}{CH3 - CH2 - CH2 - CH2 - Cl}->[alc{.} KOH]\underset{But-1-ene}{CH3 - CH2 - CH = CH2}}\]
RELATED QUESTIONS
Identify ‘A’ and ‘B’ in the following reaction :
\[\ce{CH3 - CH = CH2 ->[HBr]'A' ->[alc.KOH]'B'}\]
How do you convert 2-bromobutane to but-2-ene?
Predict all the alkenes that would be formed by dehydrohalogenation of the following halide with sodium ethoxide in ethanol and identify the major alkene:
1-Bromo-1-methylcyclohexane
Predict all the alkenes that would be formed by dehydrohalogenation of the following halide with sodium ethoxide in ethanol and identify the major alkene:
2-Chloro-2-methylbutane
Predict all the alkenes that would be formed by dehydrohalogenation of the following halide with sodium ethoxide in ethanol and identify the major alkene:
2, 2, 3-Trimethyl-3-bromopentane
How will you bring about the following conversion?
But-1-ene to but-2-ene
How the following conversion can be carried out?
1-Bromopropane to 2-bromopropane
How the following conversion can be carried out?
2-Bromopropane to 1-bromopropane
What are racemates?
'A' is:
Deamination of meso- di bromobutane gives mainly:-
Elimination of bromine from 2-bromobutane results in the formation of ______.
A primary alkyl halide would prefer to undergo ______.
Reaction of trans-2-phenyl-1-bromocyclopentane with alcoholic KOH produces.
Which of the following alkyl halides will undergo SN1 reaction most readily?
An SN1 reaction at the asymmetric carbon of an enantiomerically pure chiral alkyl halide gives a product ______.
Major products A and B formed in the following reaction sequence are:
