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 Multiple Choice QuestionsMultiple Choice Questions

11.

Sodium ethoxide has reacted with ethanoyl chloride. The compound that is produced in the above reaction is

  • Diethyl ether

  • 2-Butanone

  • Ethyl chloride

  • Ethyl chloride

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12.

Consider the following bromides:



The correct order of SN1 reactivity is 

  • A > B > C

  • B > C > A

  • B > A > C

  • B > A > C

365 Views

13.

The increasing order of the reactivity of the following halides for the SN1 reaction is

  • (III) < (II) < (I) 

  • (II) < (I) < (III)

  • (I) < (III) < (II)

  • (I) < (III) < (II)

598 Views

14.

3-Methyl-pent-2-ene on reaction with HBr in presence of peroxide forms an addition product.The number of possible stereoisomers for the product is

  • Six

  • Two

  • Zero

  • Zero

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15.

The major product obtained in the following reaction is



  • C6H5CH (OtBu) CH2C6H5

  • C6H5CH=CHC6H5

  • (+)C6H5CH(OtBu)CH2H5

  • (+)C6H5CH(OtBu)CH2H5

496 Views

16.

Arrange the carbanions left parenthesis CH subscript 3 right parenthesis subscript 3 comma space straight C subscript 6 straight H subscript 5 straight C with minus on top straight H subscript 2 space comma thin space straight C with minus on top Cl subscript 3 comma space left parenthesis CH subscript 3 right parenthesis subscript 2 space straight C with minus on top straight H  in order of their decreasing stability 

  • straight C subscript 6 straight H subscript 5 straight C with minus on top straight H subscript 2 space greater than space straight C with minus on top Cl subscript 3 space greater than thin space left parenthesis CH subscript 3 right parenthesis subscript 3 straight C with minus on top space greater than thin space left parenthesis CH subscript 3 right parenthesis subscript 2 straight C with minus on top straight H
  • thin space left parenthesis CH subscript 3 right parenthesis subscript 2 straight C with minus on top straight H greater than space straight C with minus on top Cl subscript 3 space greater than straight C subscript 6 straight H subscript 5 straight C with minus on top straight H subscript 2 greater than thin space left parenthesis CH subscript 3 right parenthesis subscript 3 straight C with minus on top space
  • space straight C with minus on top Cl subscript 3 space greater than straight C subscript 6 straight H subscript 5 straight C with minus on top straight H subscript 2 greater than thin space left parenthesis CH subscript 3 right parenthesis subscript 2 straight C with minus on top straight H greater than thin space left parenthesis CH subscript 3 right parenthesis subscript 3 straight C with minus on top space
  • space straight C with minus on top Cl subscript 3 space greater than straight C subscript 6 straight H subscript 5 straight C with minus on top straight H subscript 2 greater than thin space left parenthesis CH subscript 3 right parenthesis subscript 2 straight C with minus on top straight H greater than thin space left parenthesis CH subscript 3 right parenthesis subscript 3 straight C with minus on top space
202 Views

17.

Toluene is nitrated and the resulting product is reduced with tin and hydrochloric acid. The product so obtained is diazotised and then heated with cuprous bromide. The reaction mixture so formed contains

  • mixture of o− and p−bromotoluenes

  • mixture of o− and p−dibromobenzenes

  • mixture of o− and p−bromoanilines

  • mixture of o− and p−bromoanilines

151 Views

18.

The organic chloro compound, which shows complete stereochemical inversion during a SN2 reaction,is

  • (C2H5)2CHCl 

  •  (CH3)3CCl

  • (CH3)2CHCl

  • (CH3)2CHCl

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19.

The treatment of CH3MgX with CH3C≡C−H produces

  • CH3−CH=CH

  • CH3C≡C−CH3

338 Views

20.

Which of the following reactions will yield 2, 2-dibromopropane?

  • CH3 – C ≡ CH + 2HBr →

  • CH3CH = CHBr + HBr →

  • CH ≡ CH + 2HBr →

  • CH ≡ CH + 2HBr →

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