//M0//QN1//SUB//DL0//EQ

Classify the following amines as primary, secondary or tertiary: (i) (ii) (iii) (C2H5)2CHNH2 (iv) (C2H5)2NH

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(i) primary (1°)
(ii) tertiary (3°)
(iii) (C2H5)2CHNH2 primary (1°)
(iv) (C2H5)2NH secondary (2°)

//M0//QN2//SUB//DL0//EQ

(i) Write structures of different isomeric amines corresponding to the molecular formula, C4H11N. (ii) Write IUPAC names of all the isomers. (iii) What type of isomerism is exhibited by different pairs of amines?

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There are total 8 isomeric amines forming which have molecular formula C4H11N.
(i)
(ii)
(iii)
(iv)
(v)
(vi)
(vii)
(viii)
Isomerism exhibited by pairs of different amine compounds:
Chain Isomerism:
(i) and (ii); (iii) and (iv);
(i) and (iv) (i) and (iii)
Position Isomerism:
(i) and (iii); (ii) and (iv)
Metamers:
(v) and (vi); (vii) and (v)

//M0//QN3//SUB//DL0//EQ

Classify the following amines as primary, secondary or tertiary:

(i) Benzene into aniline
(ii) Benzene into N, N-dimethylaniline
(iii) Cl – (CH2)4 – Cl into hexan-1, 6-Diamine?

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(i)
(ii)
(iii)

//M0//QN4//SUB//DL0

Arrange the following in increasing order of their basic strength:

(i) C2H5NH2, C6H5NH2, NH3, C6H5CH2NH2 and (C2H5)2 NH
(ii) C2H5NH2, (C2H5)2NH, (C2H5)3N, C6H5NH2 (iii) CH3NH2, (CH3)2NH, (CH3)3N, C6H5NH2, C6H5CH2NH2

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(i) C6H5NH2 < NH3 < C6H5CH2NH2 < C2H5NH2 < (C2H5)2NH
(ii) C6H5NH2 < C2H5NH2 < (C2H5)3N < (C2H5)2NH
(iii) C6H5NH2 < C6H5CH2NH2 < (CH3)3N < CH3NH2 < (CH3)2NH

//M0//QN5//SUB//DL0//EQ

Complete the following acid base reactions and name the products:

(i) CH3CH2CH2NH2+HCl→
(ii) (C2H5)3N + HCl →

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(i)
(ii)

//M0//QN6//SUB//DL0//EQ

Write reactions of the final alkylation product of aniline with excess of methyl iodide in the presence of sodium carbonate solution.

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//M0//QN7//SUB//DL0//EQ

Write chemical reaction of aniline with benzoyl chloride and write the name of the product obtained.

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//M0//QN8//SUB//DL0//EQ

Write structures of different isomers corresponding to the molecular formula, C3H9N. Write IUPAC names of the isomers which will liberate nitrogen gas on treatment with nitrous acid.

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Total 4 structures of different isomers corresponding to the molecular formula C3H9N given below.
Primary (1°):
Secondary (2°):
Tertiary (3°):
Only primary amine compounds will react with nitrous acid and liberate nitrogen gas, their IUPAC names are Propan-1-amine, Propan-2-amine

//M0//QN9//SUB//DL0//EQ

Convert: (i) 3-Methylaniline into 3-nitrotoluene (ii) Aniline into 1, 3, 5 tribromo benzene.

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(i)
(ii)