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

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

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प्रश्न

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

अति संक्षिप्त उत्तर
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उत्तर

When 1-bromo-1-methylcyclohexane undergoes dehydrohalogenation (β-elimination reaction) in the presence of sodium ethoxide in ethanol (C2H5ONa/C2H5OH), two alkenes are formed.
  1. 1-Methylcyclohexene (Major product)
  2. Methylidenecyclohexane (Minor product)

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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 6.10 (i) | पृष्ठ १९०
नूतन Chemistry [English] Class 12 ISC
पाठ 6 Haloalkanes and Haloarenes
SHORT ANSWER TYPE QUESTIONS | Q 45. (a) | पृष्ठ ६१२

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 :

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


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?


'A' is:


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 ______.


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 ______.


Reaction of trans-2-phenyl-1-bromocyclopentane with alcoholic KOH produces.


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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