Advertisements
Advertisements
Question
Give reasons for the following observation:
Aniline is acetylated before nitration reaction.
Solution
Aniline is acetylated, before the nitration reaction in order to avoid the formation of tarry oxidation products and protect the amino group, so that p-nitro derivative can be obtained as major product.
APPEARS IN
RELATED QUESTIONS
What is the action of acetic anhydride on ethylamine?
What is the action of the following reagents on aniline?
Bromine water
Write the structures of main products when aniline reacts with the following reagents :
Br2 water
Write the chemical equations involved when aniline is treated with the following reagents:
Br2 water
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.
What is the action of the following reagents on aniline?
Hot and conc. sulphuric acid
A solution contains 1 g mol. each of p-toluene diazonium chloride and p-nitrophenyl diazonium chloride. To this 1 g mol. of alkaline solution of phenol is added. Predict the major product. Explain your answer.
When bromination of aniline is carried out by protecting – NH2. The major product is
How can the activating effect of the −NH2 group in aniline be controlled?
Assertion (A): Bromination of benzoic acid, gives m-bromobenzoic acid.
Reason (R): Carboxyl group increases the electron density at the meta position.
