Karnataka Board PUCPUC Science 2nd PUC Class 12

How do you convert: 2-bromobutane to but-2-ene - Chemistry

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How do you convert: 2-bromobutane to but-2-ene

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Solution

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2015-2016 (March) All India Set 2 C

RELATED QUESTIONS

Identify the product ‘D’ in the following sequence of reactions:

`H3C-CH2-CH2-Cl (Alc)/(KOH)'B'(HBr)/()'C'(Na)/(Ether)’D'`

  1. 2,2 - dimethyl butane  
  2. 2,3- dimethylbutane
  3. hexane                           
  4. 2,4 - dimethylpentane

Identify ‘A’ and ‘B’ in the following reaction :

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


State and explain Markownikoff's rule with suitable example


Write the isomers of the compound having formula C4H9Br.


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How will you bring about the following conversions?

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How will you bring about the following conversions?

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How will you bring about the following conversions?

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How will you bring about the following conversions?

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How will you bring about the following conversions?

But-1-ene to but-2-ene


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Draw a neat, labelled energy profile diagram for SN1 reaction mechanism.


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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:-


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 ______.


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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