Ncert Solution Class 12 Chemistry Chapter 13 Questions And Answers, Notes & Numericals PDF

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Ncert Solution Class 12 Chemistry Chapter 13 Questions And Answers, Notes & Numericals PDF, Ncert Solution Class 12 Chemistry Chapter 13 Questions And Answers, Ncert Solution Class 12 Chemistry Chapter 13


Chapter 13 | Amines


1. Amines are the derivatives of ammonia. These are classified as primary (-NH2), secondary (NH) and tertiary (N). The attached groups may be alkyl (aliphatic) or aryl (aromatic).

2. Amines behave as Lewis bases due to the presence of an electron pair on the nitrogen atom.

3. Amines are usually prepared by

(a) ammonolysis of alkyl halides. (b) Gabriel phthalimide synthesis.

(c) reduction of isocyanides.

(d) reduction of nitro compounds, cyanides, amides and oximes.

4. Aniline is a weaker base than ammonia.

5. Boiling point of amines is less than those of alcohols and carboxylic acids of comparable molecular masses. 6. Carbylamine reaction is a good test for primary amines.

7. Primary aromatic amines form diazonium salts with nitrous acid in an ice-cold solution by diazotization reaction.

8. Primary aliphatic amines form unstable diazonium salts with nitrous acid, which decompose to produce effervescence of nitrogen gas.

9. Secondary amines react with nitrous acid to form nitrosamines which give Libermann’s nitroso reaction.

10. Amino (NH) group in aniline is ortho and para directing in nature.

11. Reactivity of aromatic amines can be controlled by the acylation process.

12. Coupling reaction of aryldiazonium salts arylamines gives rise to azo dyes.


Ncert Solution Class 12 Chemistry Chapter 13


Class12th 
Chapter No13
ProvidingQuestions And Answers, Notes & Numericals PDF
Chapter NameAmines
BoardCBSE
Book NCERT
SubjectChemistry
Medium English
Study MaterialsFree VVI Study Materials are Available
Download PDF Ncert Solution Class 12 Chemistry Chapter 13 PDF

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