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Karnataka Board PUCPUC Science 2nd PUC Class 12

Accomplish the following conversion: Benzene to m-bromophenol

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Question

Accomplish the following conversion:

Benzene to m-bromophenol

Chemical Equations/Structures
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Solution

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Chapter 9: Amines - Exercises [Page 279]

APPEARS IN

NCERT Chemistry Part 1 and 2 [English] Class 12
Chapter 9 Amines
Exercises | Q 9.8 (ii) | Page 279

RELATED QUESTIONS

Identify the weakest base amongst the following :

(a) p- methoxyaniline

(b) o-toluidine

(c) benzene - 1, 4 - diamine

(d) 4 - aminobenzoic acid


Give reasons for the following: (CH3)2NH is more basic than (CH3)3N in an aqueous solution.


Arrange the following in increasing order of their basic strength :

C6H5 – NH2, C6H5 – CH2 – NH2, C6H5 – NH – CH3


  1. Write structures of different isomeric amines corresponding to the molecular formula C4H11N.
  2. Write the IUPAC names of all the isomers.
  3. What type of isomerism is exhibited by different pairs of amines?

Account for the following:

Gabriel phthalimide synthesis is preferred for synthesising primary amines.


Arrange the following:

In increasing order of boiling point:

C2H5OH, (CH3)2NH, C2H5NH2


Complete the following reaction:

\[\ce{C6H5N2Cl + H3PO2 + H2O ->}\]


Arrange the following in increasing order of basic strength :

C6H5NH2, C6H5NHCH3, C6H5N(CH3)2


Choose the most correct option.

Which one of the following compounds has the highest boiling point?


Answer in one sentence.

Arrange the following amines in increasing order of boiling points.

n-propylamine, ethylmethyl amine, trimethylamine.


Tertiary amines have lowest boiling points because ________________


A compound Z with molecular formula \[\ce{C3H9N}\] reacts with \[\ce{C6H5SO2Cl}\] to give a solid, insoluble in alkali. Identify Z.


Acetic acid exist as dimer in benzene due to


Dimerisation of carboxylic acids is due to


Which of the following amines form maximum hydrogen bonds within themselves?


Write short note on the following:

Ammonolysis


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