Subject

Chemistry

Class

JEE Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

31.

Ethyl butyrate has the flavour of which fruit ?

  • Apple

  • Pineapple

  • Orange

  • Banana


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32.

In the following reaction sequence, the compound C is

Ethyl amine HNO2 A PCl5 B NH3 C 

  • CH3NH2

  • C2H5NH2

  • CH3CH=NH

  • (CH3)2NH


B.

C2H5NH2

The compound C is C2H5NH2 (Ethyl amine). The reaction can be written as-

C2H5NH2Ethyl amine HNO2 C2H5OHEthanol POCl3 / HClPCl C2H5ClEthyl chloride HClNH3 C2H5NH2Ethyl amine


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33.

Stachyose is a

  • monosaccharide

  • disaccharide

  • trisaccharide

  • tetrasaccharide


34.

Adipic acid is used in the preparation of

  • nylon-6

  • dacron

  • nylon-66

  • novolac


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35.

The compound from which formic acid cannot be prepared is

  • methyl alcohol

  • carbon monoxide + NaOH

  • glycerol

  • methyl magnesium bromide


36.

A dihaloalkane 'X, having formula C3H6Cl2, on hydrolysis gives a compound, that can reduce Tollen's reagent. The compound 'X' is

  • 1, 2-dichloropropane

  • 1, 1-dichloropropane

  • 1, 3-dichloropropane

  • 2, 2-dichloropropane


37.

White precipitate is formed in

  • Millon's test

  • ninhydrin test

  • biuret test

  • xanthoprotic test


38.

Antipyretics are used to

  • relieve pain

  • bring down body temperature

  • to bill micro-organisms

  • to relieve from anxiety


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39.

Which alcohol of molecular formula C4H9OH cannot be obtained by the reduction of carbonyl compound ?

  • 2-methyl propan-1-ol

  • 2-methyl propan-2-ol

  • butanol

  • butan-2-ol


40.

Ether and alcohol are ...... isomers.

  • chain

  • position

  • functional

  • not isomers


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