BIOLOGY
AMINO ACIDS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which statement about the reaction of 1-bromobutane and NH3 is incorrect?
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The reaction may lead to the formation of a quaternary ammonium salt
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The reaction initially gives a primary amine
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The reaction is a nucleophilic substitution
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The reaction specifically gives a primary amine
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Explanation:
Detailed explanation-1: -Answer: C. CH 3 NH 2 on reaction with nitrous acid releases NO 2 gas Wrong statement .
Detailed explanation-2: -Dimethylamine [(CH3)2NH] is a secondary amine as the central Nitrogen atom is substituted by two methyl groups and the nitrogen has one hydrogen.
Detailed explanation-3: -Friedel-craft’s reaction is used for the preperation of alkyl benzene or acetophenone. It is not a method to prepare amine.
Detailed explanation-4: -Primary aliphatic and aromatic amines react with nitrous acid forming arena diazonium salts while the reaction of secondary amines gives N-nitrosamines (R2NN=O).
There is 1 question to complete.