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CBSE

Subject

Chemistry
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NEET Chemistry : Amines

Multiple Choice Questions

81.

Identify the 'C' in the reaction :

RNH2 HNO2 A + B + C

  • NH3

  • O2

  • N2

  • CO2



82.

Which of the following amines will not give N2 gas on treatment with nitrous acid (NaNO2 + HCl)?

  • C2H5NH2

  • CH3NH2

  • (CH3)2CH-NH2

  • All will give N2



83.

Number of isomeric primary amines obtained from C4H11N are :

  • 3

  • 4

  • 5

  • 6



84.

The high oxidising power offluorine is due to :

  • high electron affinity

  • high heat of dissociation and low heat of hydration

  • high heat of hydration and low heat of dissociation

  • high heat of hydration and high heat of dissociation



85.

The reaction

is called

  • Claisen-Schmidt reaction

  • Kolbe-Schmidt reaction

  • Schmidt reaction

  • Kolbe's reaction



86.

In the following sequence of the reactions, what is D ?

  • Primary amine

  • An amide

  • Phenyl isocyanate

  • A chain lengthed hydrocarbon



87.

CH3Br + KCN (alco.)  X Na + C2H5OHReduction Y

What is Y in the series ?

  • CH3CN

  • C2H5CN

  • C2H5NH2

  • CH3NH2



88.

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

  • mixture of o- and m-bromotoluenes

  • mixture of o- and p-bromotoluenes

  • mixture of o- and p-dibromobenzenes

  • mixture of o- and p-bromoanilines



89.

The reaction of an organic compound with ammonia followed by nitration of the product gives a powerful explosive called ROX.The organic compound is

  • phenol

  • toluene

  • glycerine

  • formaldehyde



90.

Order of hydrolysis for the following :

  • RCOCl

  • RCOOR

  • RCONH2

  • (RCO)2O



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