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 Multiple Choice QuestionsMultiple Choice Questions

91.

In the following reaction sequence,

CH3CHO Ca(OH)2Cl2 X Alc. KOHC6H5NH2 Y

Y is

  • CH3CH=NHC6H5

  • C6H5NHCH3

  • C6H5NC

  • C6H5NCO


92.

The raw material for Raschig process is

  • chlorobenzene

  • phenol

  • benzene

  • anisole


93.

Phenol gives characteristic colouration with

  • iodine solution

  • bromine water

  • aqueous FeCl3 solution

  • ammonium hydroxide


94.

In the following sequence of reactions

  

The compound C formed will be

  • butanol-1

  • butanol-2

  • 2-methyl propanol-1

  • 1, 1-dimethylethanol


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95.

The correct order of dehydration of alcohols is

  • 1° > 2° > 3°

  • 3° > 2° > 1°

  • 2° > 1° > 3°

  • 1° > 3° > 2°


96.

Ethanolic KOH gives

  • dehalogenation reactions

  • dehydrogenation reactions

  • dehydrohalogenation reactions

  • substitution reactions


97.

Which alcohol will give immediate turbidity on shaking with HCl at room temperature?

  • 3-methyl pentan-2-ol

  • 2-methyl butan-1-ol

  • Butan-3-ol

  • 2-methylpropan-2-ol


98.

Which of the following ether is formed from alcohol and diazomethane?

  • 1-ethoxypropane

  • ethoxyethane

  • 1-methoxypropane

  • 2-ethoxypropane


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99.

3-methylpentan-3-ol will be prepared from

  • ethyl formate and methyl magnesium bromide

  • ethyl ethanoate and ethyl magnesium bromide

  • ethyl propanoate and methyl magnesium bromide

  • ethyl formate and ethyl magnesium bromide


100.

The nature of 2, 4, 6-trinitrophenol is

  • neutral

  • basic

  • acidic

  • weak basic


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