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

How the following conversion can be carried out? 1-Bromopropane to 2-bromopropane

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प्रश्न

How the following conversion can be carried out?

1-Bromopropane to 2-bromopropane

How is the following conversion carried out? Write reaction and condition only. 

1-bromopropane to 2-bromopropane

रासायनिक समीकरणे/रचना
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उत्तर १

\[\ce{\underset{1-Bromopropane}{CH3CH2CH2Br} ->[Alc{.} KOH, \Delta][Dehydrohalogenation] \underset{Propene}{CH3CH = CH2} ->[HBr] \underset{2-bromopropane}{CH3 - CHBrCH3}}\]

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उत्तर २

\[\begin{array}{cc}
\ce{\underset{1-Bromopropane}{CH3CH2CH2Br} ->[C2H5\overset{\ominus}{O}/KOH][\Delta] CH3CH = CH2 ->[HBr] CH3 - CH - CH3}\\
\phantom{...........................................................................}|\\
\phantom{.............................................................................}\ce{\underset{2-Bromopropane}{Br}}\\
\end{array}\]

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  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 6.19 (iii) | पृष्ठ १९०
नूतन Chemistry [English] Class 12 ISC
पाठ 6 Haloalkanes and Haloarenes
VERY SHORT ANSWER TYPE QUESTIONS | Q 31. (i) | पृष्ठ ६०९

संबंधित प्रश्‍न

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


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?

2-Chloropropane to 1-propanol


Observe the following compounds and answer the questions given below.


      (I)

\[\ce{\underset{\text{(II)}}{CH3 - CH2 - Br}}\]

  1. Identify the type of halides.
  2. Explain the nature of the C – Br bond in both of these halides.
  3. Which of these compounds will undergo aqueous alkaline hydrolysis readily? Write the reaction in support of your answer.

'A' is:


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 ______.


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 ______.


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