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

Write the structure of the major organic product in the following reaction: (CHA3)A3CBr+KOH→heatethanol - Chemistry

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प्रश्न

Write the structure of the major organic product in the following reaction:

\[\ce{(CH3)3CBr + KOH ->[ethanol][heat]}\]

रासायनिक समीकरणे/रचना

उत्तर

\[\begin{array}{cc}
\phantom{............................}\ce{CH3}\\
\phantom{.........................}|\\
\ce{\underset{tert-Butyl bromide}{(CH3)3CBr} + KOH->[ethanol, \Delta][Dehydrohalogenation] \underset{2-methylpropane}{CH3 - C = CH2} + KBr + H2O}\
\end{array}\]

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पाठ 10: Haloalkanes and Haloarenes - Exercises [पृष्ठ ३११]

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एनसीईआरटी Chemistry [English] Class 12
पाठ 10 Haloalkanes and Haloarenes
Exercises | Q 14.2 | पृष्ठ ३११

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 :

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


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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


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How the following conversion can be carried out?

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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 ______.


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

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


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