Table of Contents
- 1 How do you convert benzene to para nitroaniline?
- 2 How do you get para nitroaniline?
- 3 How will you prepare p-nitroaniline from acetanilide?
- 4 How will you prepare phenol from aniline?
- 5 How do you prepare 4 nitroaniline as the major product from aniline?
- 6 How do you convert aniline to para nitroaniline?
- 7 How can you convert aniline to p nitroaniline give the chemical equation?
- 8 How are the para and ortho isomers of nitroaniline separated?
How do you convert benzene to para nitroaniline?
Aniline when treated with acetoacetate will produce Nacetyl aniline. This if treated with H2SO4/HNO2/CH3COOH will produce paranito nacetyl aniline, which on hydrolysis will give para nito aniline.
How do you get para nitroaniline?
Nitronium ion is the electrophile generates from fuming nitric acid in presence of fuming sulphuric acid. In the second step p-nitroaniline is prepared from p-nitro acetanilide due to hydrolysis of acetate ion from acetamido functional group in presence of concentrated sulphuric acid.
How do you convert nitrobenzene to p-nitroaniline?
Nitrobenzene is reduced to aniline in the presence of Sn/HCl. The amino group of aniline is then acetylated with acetic anhydride in the presence of pyridine. Acetanilide is allowed to react with nirating mixture to form p-Nitroacetanilide. P-nitroacetanilide is then converted to p-nitroaniline by hydrolysis.
How will you prepare p-nitroaniline from acetanilide?
Procedure:
- Take 3gm of finely powdered acetanilide in a clean beaker and dissolve it by adding glacial acetic acid by stirring the content carefully at room temperature.
- Gently warm the mixture to dissolve acetanilide completely.
- Cool the solution and add concentrated sulphuric acid slowly with constant stirring.
How will you prepare phenol from aniline?
From aniline phenol can be prepared. Aniline is diazotized by treatment with nitrous acid (NaNO2 and HCl) under ice-cold conditions to form benzene diazonium chloride. This is followed by hydrolysis with dilute sulphuric acid to form phenol.
How will you convert the following a benzene into P nitrotoluene?
The mixture of p-nitrotoluene and o-nitrotoluene can be separated by fractional distillation. Thus, benzene is converted p-nitrotoluene by converting benzene to toluene then toluene to a mixture of o-nitrotoluene and p-nitrotoluene and then separating the mixture by fractional distillation to get p-nitrotoluene.
How do you prepare 4 nitroaniline as the major product from aniline?
p-nitroaniline : Acetanilide on treatment with nitric acid in the presence of sulphuric acid gives p-nitroacetanilide which on acidic hydrolysis gives p-nitroaniline as major product.
How do you convert aniline to para nitroaniline?
Nitration: Direct nitration of aniline yields (p-nitroaniline) a mixture of ortho, meta, and para nitroanilines. In an acidic medium the -NH2 group is protonated to the -N+H3 group which is meta-directing and deactivating. Hence, a considerable amount of m-nitroaniline is obtained.
How do you get Phenol from benzene?
How is phenol obtained commercially from benzene? Benzene react with chlorine in the presenc of ferric chloride which form chlorobezene, which on further reaction with sodium hydroxide gives sodium phenoxide. Then sodium phenoxide acidified and form phenol.
How can you convert aniline to p nitroaniline give the chemical equation?
How are the para and ortho isomers of nitroaniline separated?
The method of separating mixed isomers of orthoand para-nitroanilines which comprises the steps of subjecting the isomeric mixture to the action of carbontetrachloride, separating the undissolved para nitroaniline from the solution, treating the solution with hydrogen chloride, separating the undissolved para …
How is phenol prepared from benzene?