Advertisements
Advertisements
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
Advertisements
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
State and explain Markownikoff's rule with suitable example
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, 2, 3-Trimethyl-3-bromopentane
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-Chloropropane to 1-propanol
How the following conversion can be carried out?
2-Bromopropane to 1-bromopropane
Draw a neat, labelled energy profile diagram for SN1 reaction mechanism.
Observe the following compounds and answer the questions given below.
(I)
\[\ce{\underset{\text{(II)}}{CH3 - CH2 - Br}}\]
- Identify the type of halides.
- Explain the nature of the C – Br bond in both of these halides.
- Which of these compounds will undergo aqueous alkaline hydrolysis readily? Write the reaction in support of your answer.
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 ______.
The conversion of an alkyl halide into an alkene by alcoholic KOH is classified as ______.
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?
Major products A and B formed in the following reaction sequence are:
