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 Multiple Choice QuestionsShort Answer Type

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81.

What is the correct order of decreasing boiling point of the following compounds?
CH3 CH2 CH2 OH, CH3 CH2 CH2 NH2, CH3 CH2OCH3, CH3 CH2 NHCH3


The correct order is:
CH3CH2CH2OH > CH3CH2CH2NH2 > CH3CH2NHCH3 > CH3CH2OCH3.

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82. Why is ethylamine has lower boiling point than ethyl alcohol?

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83.

Describe the hybridization and shape of (CH3)3N.

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84.

Why do quaternary ammonium salts having four different group attached to nitrogen show optical activity?

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85. Arrange the following in decreasing basicity.

CH3CH2NH2, CH2 = CH—NH2, (CH3CH2)2NH
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86. What is the evidence of basic nature of aniline?
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87. Write the reaction between aniline and benzaldehyde.
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88.

Write the structure of the products obtained in the following reactions:

left parenthesis CH subscript 3 right parenthesis subscript 2 NH space plus space HNO subscript 3 space rightwards arrow

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89.

Write the structure of the products obtained in the following reactions:



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90.

Give the structure and IUPAC name of the product obtained when formic acid reacts with dimethylamine .

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