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Questions
How will you bring about the following conversion?
But-1-ene to but-2-ene
How will you bring about the following conversion in not more than two steps?
But-1-ene to but-2-ene
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Solution
\[\begin{array}{cc}
\ce{\underset{But-1-ene}{CH3CH2CH = CH2} ->[HBr][Markonikoff's rule] CH3 - CH2 - CH - CH3 ->[Alc. KOH, \Delta][-HBr] \underset{But-2-ene}{CH3 - CH = CH - CH3}}\\
\phantom{....}|\\
\phantom{.....}\ce{\underset{2-Bromobutane}{Br}}
\end{array}\]
APPEARS IN
RELATED QUESTIONS
Identify the product ‘D’ in the following sequence of reactions:
\[\ce{H3C - CH2 - CH2 - Cl \underset{KOH}{\overset{Alc}{->}} 'B' \overset{HBr}{->} 'C' \underset{Elther}{\overset{Na}{->}}'D'}\]
How do you convert:
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\[\ce{(CH3)3CBr + KOH ->[ethanol][heat]}\]
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Observe the following compounds and answer the questions given below.

(I)
\[\ce{\underset{\text{(II)}}{CH3 - CH2 - Br}}\]
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- Which of these compounds will undergo aqueous alkaline hydrolysis readily? Write the reaction in support of your answer.
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Identify the major product formed when 2-cyclohexylchloroethane undergoes a dehydrohalogenation reaction. Name the reagent which is used to carry out the reaction.
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 ______.
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An SN1 reaction at the asymmetric carbon of an enantiomerically pure chiral alkyl halide gives a product ______.
Major products A and B formed in the following reaction sequence are:

