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 Multiple Choice QuestionsFill In the Blanks

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331.

The reaction of diazonium salts with copper (I) bromide and sodium bromide to give bromobenzene is an example of _________reaction.

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 Multiple Choice QuestionsTrue Or False

332. State Whether the following statements are True or False:

A.

Tertiary amines can not be acetylated.

B.

All types of amines give the isocyanide test.

C.

Aniline becomes coloured in air owing to oxidation.

D.

Cyclo hexylamine is a stronger base than aniline.

E.

Triphenyl amine (C6H5)3N, forms an addition compound with BF3.
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333. State Whether the following statements are True or False:

A.

Benzamide, on treatment with Br2 and KOH gives benzyamine.

B.

Benzene diazonium salts are usually stable.

C.

p-methoxy aniline has a higher pka value than p-methylaniline.

D.

Acetamide is a stronger acid than ethylamine.

E.

Both p-amino benzoic acid and p-amino benzene sulphonic acid form Zwitter ion.
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334. State Whether the following statements are True or False:

A.

Bromination of aniline gives 2, 4, 6-tribromoaniline.

B.

Trimethyl amine reacts with BF3 while triphenylamine does not.

C.

Unpleasant smelling carbyl amine is formed by heating an alkali and chloroform with any primary amine.

D.

Reduction of nitrobenzene in alkaline medium finally gives aniline.

E.

N, N-dimethyl aniline gives positive carbylamine reaction.
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 Multiple Choice QuestionsMultiple Choice Questions

335. Acetamide is treated separately with the following reagents, which one of these would give methyl amine?
  • PCI5 
  • NaOH + Br2
  • Sodalime
  • Hot conc. H2SO4
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336.

Acetamide react with NaOBr in alkaline medium to form

  • NH3 
  • CH3NH2
  • CH3CN
  • CH3CH2NH2
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337.

The compound which on reaction with aqueous nitrous acid at low temperature produces an oily nitrosoamine is

  • Methyl amine

  • Ehtyl amine

  • Diethyl amine

  • Triethyl amine

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338.

Ethylamine can be prepared by the action of bromine and caustic potash on

  • Acetamide
  • Propionamide
  • Formamide
  • Methyl cyanide.
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339.

Which compound will liberate CO2 from NaHCO3 solution?

  • CH3CONH2
  • CH3NH2
  • (CH3)4N+OH-
  • CH3N+H3Cl-
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340.

What is the proper sequence of reagent in the Hofmann's degradation reaction?

  • Br2, KOH, H2O
  • KOH, Br2, H2O
  • H2O, KOH, Br2
  • None of the above.
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