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

How the following conversion can be carried out? 2-Chloropropane to 1-propanol - Chemistry

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प्रश्न

How the following conversion can be carried out?

2-Chloropropane to 1-propanol

रासायनिक समीकरणे/रचना

उत्तर

\[\begin{array}{cc}
\ce{CH3 - CH - CH3 ->[Alc. KOH, \Delta][Dehydrohalogenation] \underset{Propene}{CH3 - CH = CH2} ->[HBr,Peroxide] \underset{1-Bromopropane}{CH3 - CH2 - CH2 - Br} ->[KOH (aq.), \Delta][nucleophilic substitution] \underset{1-propanol}{CH3 - CH2 - CH2 - OH}}\\
|\phantom{.....................................................................................................................}\\
\ce{\underset{2-Chloropropane}{Cl}}\phantom{....................................................................................................................}
\end{array}\]

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पाठ 10: Haloalkanes and Haloarenes - Exercises [पृष्ठ ३१२]

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एनसीईआरटी Chemistry [English] Class 12
पाठ 10 Haloalkanes and Haloarenes
Exercises | Q 19.13 | पृष्ठ ३१२

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 :

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


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 will you bring about the following conversion?

But-1-ene to but-2-ene


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


What are racemates?


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:


Deamination of meso- di bromobutane gives mainly:-


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


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