Give reasons:
(1) Methylamine is a stronger base than ammonia.
(2)Primary amines have higher b.p than tertiary amines.
(3)Ethylamine is soluble in water whereas aniline is not soluble in water.
(4)Tertiary amines do not undergo acylation reaction.
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Answers
Answer:
(1) Methylamine is a stronger base than ammonia because methyl group is electron releasing and increase electron density on N.
(2)The high boiling point of primary amines is due to intermolecular H-bonding whereas there is no H-bonding in tertiary anines.
(3)Ethylamine is soluble in water due to formation of H-bonding with water but due to bulky phenyl group aniline does not form H-bond and thus is insoluble in water.
(4)It is beacause tertiary amines do not have hydrogen attached to nitrogen.
Answer:
(1) Methylamine is a stronger base than ammonia because methyl group is electron releasing and increase electron density on N.
(2)The high boiling point of primary amines is due to intermolecular H-bonding whereas there is no H-bonding in tertiary anines.
(3)Ethylamine is soluble in water due to formation of H-bonding with water but due to bulky phenyl group aniline does not form H-bond and thus is insoluble in water.
(4)It is beacause tertiary amines do not have hydrogen attached to nitrogen.