English
Karnataka Board PUCPUC Science 2nd PUC Class 12

Predict the product of reaction of aniline with bromine in non-polar solvent such as CSX2. - Chemistry

Advertisements
Advertisements

Question

Predict the product of reaction of aniline with bromine in non-polar solvent such as \[\ce{CS2}\].

Short/Brief Note
Advertisements

Solution


In non-polar solvent (such as \[\ce{CS2}\]) the activating effect of -NH2 group is reduced (due to resonance) and hence, mono substitution occurs only at o- and p-positions.

shaalaa.com
  Is there an error in this question or solution?
Chapter 13: Amines - Multiple Choice Questions (Type - I) [Page 189]

APPEARS IN

NCERT Exemplar Chemistry [English] Class 12
Chapter 13 Amines
Multiple Choice Questions (Type - I) | Q 49 | Page 189

RELATED QUESTIONS

Illustrate the following reaction giving suitable example in each case: Diazotisation

 


Arenium ion involved in the bromination of aniline is:

(i)

(ii)

(iii)

(iv)


Why is benzene diazonium chloride not stored and is used immediately after its preparation?


Why does acetylation of –NH2 group of aniline reduce its activating effect?


Why is aniline soluble in aqueous HCl?


How will you carry out the following conversions?

p-toluidine diazonium chloride `→` p-toluic acid


Match the compounds given in Column I with the items given in Column II.

  Column I   Column II
(i) Benzene sulphonyl chloride (a) Zwitter ion
(ii) Sulphanilic acid (b) Hinsberg reagent
(iii) Alkyl diazonium salts (c) Dyes
(iv) Aryl diazonium salts (d) Conversion to alcohols

A colourless substance ‘A’ \[\ce{(C6H7N)}\] is sparingly soluble in water and gives a water soluble compound ‘B’ on treating with mineral acid. On reacting with \[\ce{CHCl3}\] and alcoholic potash ‘A’ produces an obnoxious smell due to the formation of compound ‘C’. Reaction of ‘A’ with benzenesulphonyl chloride gives compound ‘D’ which is soluble in alkali. With \[\ce{NaNO2}\] and \[\ce{HCl}\], ‘A’ forms compound ‘E’ which reacts with phenol in alkaline medium to give an orange dye ‘F’. Identify compounds ‘A’ to ‘F’.


Predict the reagent or the product in the following reaction sequence.


Which of the following statement about primary amines is false?


In order to distinguish between C2H5NHz and C6H5NHz, which of the following reagents is useful?


Which of the following is true characteristic feature of aniline?


Which of the following is the most stable diazonium salt?


Consider the following compounds:

(i) p-methyl aniline

(ii) N, N-dimethylaniline

(iii) N-ethyl aniline

(iv) N-ethyl-N-methyl aniline

The compounds which do not form diazonium salt with ice-colds NaNO2 and HCl are:


Aniline dissolved in dilute HCl is reacted with sodium nitrate at 0 °C. This solution was added dropwise to a solution containing equimolar mixture of aniline and phenol in dil. HCl. The structure of the major product is:


How will the following be converted? (Give chemical equation)

Aniline to benzene diazonium chloride.


Given below are two statements:

Statement I: Benzenediazonium salt is prepared by the reaction of aniline with nitrous acid at 273-278 K. It decomposes easily in the dry state.

Statement II: Insertion of iodine into the benzene ring is difficult and hence, iodobenzene is prepared through the reaction of benzenediazonium salt with KI.

In the light of the above statements, choose the most appropriate answer from the options given below:


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×