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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
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उत्तर १
\[\ce{\underset{1-Bromopropane}{CH3CH2CH2Br} ->[Alc{.} KOH, \Delta][Dehydrohalogenation] \underset{Propene}{CH3CH = CH2} ->[HBr] \underset{2-bromopropane}{CH3 - CHBrCH3}}\]
उत्तर २
\[\begin{array}{cc}
\ce{\underset{1-Bromopropane}{CH3CH2CH2Br} ->[C2H5\overset{\ominus}{O}/KOH][\Delta] CH3CH = CH2 ->[HBr] CH3 - CH - CH3}\\
\phantom{...........................................................................}|\\
\phantom{.............................................................................}\ce{\underset{2-Bromopropane}{Br}}\\
\end{array}\]
APPEARS IN
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 :
\[\ce{CH3 - CH = CH2 ->[HBr]'A' ->[alc.KOH]'B'}\]
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 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?
2-Bromopropane to 1-bromopropane
Observe the following compounds and answer the questions given below.
(I)
\[\ce{\underset{\text{(II)}}{CH3 - CH2 - Br}}\]
- Identify the type of halides.
- Explain the nature of the C – Br bond in both of these halides.
- Which of these compounds will undergo aqueous alkaline hydrolysis readily? Write the reaction in support of your answer.
Deamination of meso- di bromobutane gives mainly:-
Name the following halides according to IUPAC system and classify them as alkyl, allyl, benzyl (primary, secondary, tertiary), vinyl or aryl halides:
\[\ce{CH3 C(CI) (C2H5)CH2CH3 }\]
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 ______.
