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प्रश्न
How will you bring about the following conversion?
But-1-ene to but-2-ene
How will you bring about the following conversion in not more than two steps?
But-1-ene to but-2-ene
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उत्तर
\[\begin{array}{cc}
\ce{\underset{But-1-ene}{CH3CH2CH = CH2} ->[HBr][Markonikoff's rule] CH3 - CH2 - CH - CH3 ->[Alc. KOH, \Delta][-HBr] \underset{But-2-ene}{CH3 - CH = CH - CH3}}\\
\phantom{....}|\\
\phantom{.....}\ce{\underset{2-Bromobutane}{Br}}
\end{array}\]
APPEARS IN
संबंधित प्रश्न
Identify the product ‘D’ in the following sequence of reactions:
\[\ce{H3C - CH2 - CH2 - Cl \underset{KOH}{\overset{Alc}{->}} 'B' \overset{HBr}{->} 'C' \underset{Elther}{\overset{Na}{->}}'D'}\]
State and explain Markownikoff's rule with suitable example
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
Write the structure of the major organic product in the following reaction:
\[\ce{(CH3)3CBr + KOH ->[ethanol][heat]}\]
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
Draw a neat, labelled energy profile diagram for SN1 reaction mechanism.
What are racemates?
'A' is:
Deamination of meso- di bromobutane gives mainly:-
Identify the major product formed when 2-cyclohexylchloroethane undergoes a dehydrohalogenation reaction. Name the reagent which is used to carry out the reaction.
Elimination of bromine from 2-bromobutane results in the formation of ______.
Reaction of trans-2-phenyl-1-bromocyclopentane with alcoholic KOH produces.
Major products A and B formed in the following reaction sequence are:
