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CBSE

Subject

Chemistry
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NEET Chemistry : Haloalkanes and Haloarenes

Multiple Choice Questions

61.

Which of the following undergoes nucleophilic substitution exclusively by SN1 mechanism?

  • Benzyl chloride

  • Ethyl chloride

  • Chlorobenzene

  • lsopropyl chloride



62.

Which of the following organic halogen compounds undergoes hydrolysis with aqueous NaOH predominantly by Sy1 mechanism?

  • Ethyl iodide

  • Methyl chloride

  • lsopropyl chloride

  • Benzyl chloride



63.

Under basic condition which one suffers elimination the most?

  • (CH3)3CCI

  • (CH3)2CHCH2CI

  • CH3CH2CHCICH3

  • CH3CH2CH2CH2CI



64.

Strongest nucleophile is

  • RNH2

  • ROH

  • C6H5O-

  • CH3O-



65.

Which of the following compound gives iodoform test?

  • CH3CN

  • CH3OH

  • CH3COCH3

  • C6H5OH



66.

What happens if CCl4 is treated with AgNO3 ?

  • A white ppt. of AgCl will form

  • NO2 will be evolved

  • CCl4 will dissolve in AgNO3

  • Nothing will happen



67.

Identify the end product:



68.

An asymmetric carbon atom is which

  • attached three atoms or groups are different

  • attached all the atoms or groups are different

  • attached two atoms or groups are different

  • attached all the atoms or groups are the same



69.

Which of the following isomeric heptanes can yield seven different monochlorinated products upon free radical chlorination?

  • 3-methyl hexane

  • 2, 2-dimethyl pentane

  • 2-methyl hexane

  • 2, 3-dimethyl pentane



70.

Which of the following compounds reacts slower than benzene in electrophilic brornination?



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