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CBSE

Subject

Chemistry
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NEET Chemistry : Haloalkanes and Haloarenes

Multiple Choice Questions

61.

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



62.

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

  • Benzyl chloride

  • Ethyl chloride

  • Chlorobenzene

  • lsopropyl chloride



63.

Identify the end product:



64.

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



65.

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



66.

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

  • Ethyl iodide

  • Methyl chloride

  • lsopropyl chloride

  • Benzyl chloride



67.

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



68.

Strongest nucleophile is

  • RNH2

  • ROH

  • C6H5O-

  • CH3O-



69.

Under basic condition which one suffers elimination the most?

  • (CH3)3CCI

  • (CH3)2CHCH2CI

  • CH3CH2CHCICH3

  • CH3CH2CH2CH2CI



70.

Which of the following compound gives iodoform test?

  • CH3CN

  • CH3OH

  • CH3COCH3

  • C6H5OH



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