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प्रश्न
How can the activating effect of the −NH2 group in aniline be controlled?
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उत्तर
Acetylation of the −NH2 group can influence the activating impact of the −NH2 group.
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संबंधित प्रश्न
Write the structures of main products when aniline reacts with the following reagents :
(CH3CO)2O/pyridine
Account for the following:
Although the amino group is o, p-directing in aromatic electrophilic substitution reactions, aniline on nitration gives a substantial amount of m-nitroaniline.
Write short notes on acetylation.
What is the action of acetic anhydride on diethylamine?
What is the action of the following reagents on aniline?
Acetic anhydride
Illustrate the following reactions giving suitable example in each case
Acetylation of amines
How will you convert the following?
Aniline into N−phenylethanamide
In the nitration of benzene using a mixture of conc. \[\ce{H2SO4}\] and conc. \[\ce{HNO3}\], the species which initiates the reaction is ______.
Give reasons for the following observation:
Aniline is acetylated before nitration reaction.
Assertion (A): Bromination of benzoic acid, gives m-bromobenzoic acid.
Reason (R): Carboxyl group increases the electron density at the meta position.
