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CBSE

Subject

Chemistry
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NEET Chemistry : Amines

Multiple Choice Questions

61.

Among the following, the correct order of basicity is :

  • NH2- > OH- > RO- > RCOO-

  • NH2- > RO- > OH- > RCOO-

  • RCOO- > NH2- > RO- > OH-

  • RCOO- > RO- > NH2- > OH-



62.

Which one of the following does not participate in the carbylamine reaction ?

  • KOH

  • Ethanol

  • Chloroform

  • Aniline



63.

Ethyl amine reacts with nitrous acid to form :

  • C2H5OH

  • C2H5OH , N2 , H2O

  • C2H5N2+Cl-

  • C2H5NHOH , NH3



64.

Alkyl halides react with Mg in dry ether to form :

  • magnesium halide

  • Grignard's reagent

  • alkene

  • alkyne



65.

Nitrobenzene (PhNO2Zn + NH4ClP ?

  • C6H5NH2

  • C6H5NHOH

  • C6H5-N=O

  • C6H6



66.

If phthalic acid is treated with NH3 and then it is first heated weakly then strongly, the final product formed is



67.

Amides are converted to amines by the following reaction :

  • Perkin

  • Claisen

  • Hofmann

  • Clemmensen



68.

The reaction of chloroform with alcoholic KOH and p toluidine form :



69.

PhCH2Cla.q. NaCl? Catalytic hydrogenation(U)

The final product (U) is:

  • C6H5CH2CH2NH2

  • C6H5CH2CONH2

  • C6H5CH2NH2

  • C6H5CH2NHCH3



70.

Which of the following will give carbylamine test?

  • CH3NH2

  • CH3NHCH3

  • CH3N(CH3)CH3

  • CH3CONH2



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