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Science (English Medium) Class 12 - CBSE Important Questions

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Write the structures of main products when benzene diazonium chloride `(C_6H_5N_2^(+)Cl^-)`reacts with the following reagents:

H2O

Appears in 1 question paper
Chapter: [9] Amines
Concept: Diazonium Salts >> Chemical Reaction of Diazonium Salts - Reactions Involving Displacement of Nitrogen

Write the structures of main products when benzene diazonium chloride `(C_6H_5N_2^(+)Cl^-)`reacts with the following reagents:

CH3CH2OH

Appears in 1 question paper
Chapter: [9] Amines
Concept: Diazonium Salts >> Chemical Reaction of Diazonium Salts - Reactions Involving Displacement of Nitrogen

Arrange the following:

Aniline, p-nitroaniline, p-methylaniline - in the increasing order of their basic strength

Appears in 1 question paper
Chapter: [9] Amines
Concept: Concept of Amines >> Chemical Reactions of Amines - Basic Character of Amines

Why does NH3 act as a Lewis base?

Appears in 1 question paper
Chapter: [9] Amines
Concept: Concept of Amines >> Chemical Reactions of Amines - Basic Character of Amines

Give the structures of A, B and C in the following reaction:

Appears in 1 question paper
Chapter: [9] Amines
Concept: Diazonium Salts >> Chemical Reaction of Diazonium Salts - Reactions Involving Displacement of Nitrogen

Write the IUPAC name of the following compound and classify it as primary, secondary and tertiary amine.

CH3NHCH(CH3)2

Appears in 1 question paper
Chapter: [9] Amines
Concept: Concept of Amines >> Nomenclature of Animes

Write the IUPAC name of the following compound and classify it as primary, secondary and tertiary amine.

(CH3CH2)2NCH3

Appears in 1 question paper
Chapter: [9] Amines
Concept: Concept of Amines >> Nomenclature of Animes

Account for the following:

Methylamine in water reacts with ferric chloride to precipitate hydrated ferric oxide.

Appears in 1 question paper
Chapter: [9] Amines
Concept: Concept of Amines >> Nomenclature of Animes

Arrange the following:

In increasing order of basic strength:

C6H5NH2, C6H5NHCH3, C6H5CH2NH2

Appears in 1 question paper
Chapter: [9] Amines
Concept: Concept of Amines >> Chemical Reactions of Amines - Basic Character of Amines

Write a short note on diazotisation.

Appears in 1 question paper
Chapter: [9] Amines
Concept: Introduction of Diazonium Salts

Write a short note on the following:

Hoffmann’s bromamide reaction

Appears in 1 question paper
Chapter: [9] Amines
Concept: Preparation of Amines

Write the structure of 2,4-dinitrochlorobenzene

Appears in 1 question paper
Chapter: [9] Amines
Concept: Concept of Amines >> Nomenclature of Animes

Give reasons for the following:

CH3NH2 is more basis than C6H5NH2.

Appears in 1 question paper
Chapter: [9] Amines
Concept: Classification of Amines

Write the IUPAC name of the given compound :

Appears in 1 question paper
Chapter: [9] Amines
Concept: Concept of Amines >> Nomenclature of Animes

Illustrate the following reactions giving suitable example in each case 

Ammonolysis

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Chapter: [9] Amines
Concept: Physical Properties of Amines

Illustrate the following reactions giving suitable example in each case 

Coupling reaction

Appears in 1 question paper
Chapter: [9] Amines
Concept: Diazonium Salts >> Chemical Reaction of Diazonium Salts - Reactions Involving Retention of Diazo Group

Illustrate the following reactions giving suitable example in each case 

Acetylation of amines

Appears in 1 question paper
Chapter: [9] Amines
Concept: Concept of Amines >> Chemical Reactions of Amines - Electrophilic Substitution

 Describe Hinsberg method for the identification of primary, secondary and tertiary amines. Also write the chemical equations of the reactions involved.

Appears in 1 question paper
Chapter: [9] Amines
Concept: Concept of Amines >> Identification of Primary, Secondary and Tertiary Amines

Give the structures of A, B and C in the following reactions :

Appears in 1 question paper
Chapter: [9] Amines
Concept: Preparation of Amines

Give the structures of A, B and C in the following reactions :

Appears in 1 question paper
Chapter: [9] Amines
Concept: Preparation of Amines
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