मराठी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

How will you bring about the following conversion? But-1-ene to but-2-ene

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

रासायनिक समीकरणे/रचना
Advertisements

उत्तर

\[\begin{array}{cc}
\ce{\underset{But-1-ene}{CH3CH2CH = CH2} ->[HBr][Markonikoff's rule] CH3 - CH2 - CH - CH3 ->[Alc{.} KOH, \Delta][-HBr] \underset{But-2-ene}{CH3 - CH = CH - CH3}}\\
\phantom{.......}|\\
\phantom{.........}\ce{\underset{2-Bromobutane}{Br}}
\end{array}\]

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 6: Haloalkanes and Haloarenes - Exercises [पृष्ठ १९०]

APPEARS IN

एनसीईआरटी Chemistry Part 1 and 2 [English] Class 12
पाठ 6 Haloalkanes and Haloarenes
Exercises | Q 6.11 (viii) | पृष्ठ १९०
नूतन Chemistry [English] Class 12 ISC
पाठ 6 Haloalkanes and Haloarenes
LONG ANSWER TYPE QUESTIONS | Q 16. (viii) | पृष्ठ ६१५

संबंधित प्रश्‍न

Identify the product ‘D’ in the following sequence of reactions:

\[\ce{H3C - CH2 - CH2 - Cl \underset{KOH}{\overset{Alc}{->}} 'B' \overset{HBr}{->} 'C' \underset{Elther}{\overset{Na}{->}}'D'}\]


Identify ‘A’ and ‘B’ in the following reaction :

\[\ce{CH3 - CH = CH2 ->[HBr]'A' ->[alc.KOH]'B'}\]


State and explain Markownikoff's rule with suitable example


How do you convert 2-bromobutane to but-2-ene?


Write the main products when n-butyl chloride is treated with alcoholic KOH.


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 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


Draw a neat, labelled energy profile diagram for SN1 reaction mechanism.


What are racemates?


Identify the major product formed when 2-cyclohexylchloroethane undergoes a dehydrohalogenation reaction. Name the reagent which is used to carry out the reaction.


The conversion of an alkyl halide into an alkene by alcoholic KOH is classified as ______.


Name the following halides according to IUPAC system and classify them as alkyl, allyl, benzyl (primary, secondary, tertiary), vinyl or aryl halides:

\[\ce{CH3 C(CI) (C2H5)CH2CH3 }\]


A primary alkyl halide would prefer to undergo ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×