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प्रश्न
How can the activating effect of the −NH2 group in aniline be controlled?
उत्तर
Acetylation of the −NH2 group can influence the activating impact of the −NH2 group.
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संबंधित प्रश्न
What is the action of acetic anhydride on ethylamine?
Give reasons for the following:
Aniline does not undergo Friedel- Crafts reaction.
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.
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 ______.
What is the role of \[\ce{HNO3}\] in the nitrating mixture used for nitration of benzene?
Assertion: N, N-Diethylbenzene sulphonamide is insoluble in alkali.
Reason: Sulphonyl group attached to nitrogen atom is strong electron-withdrawing group.
Give reasons for the following observation:
Aniline is acetylated before nitration reaction.
Give reasons for the following observation:
Aniline does not react with methyl chloride in the presence of anhydrous AlCl3 catalyst.
In the following reaction, the reason for why meta-nitro product also formed is: