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NCERT Solutions for Class 12 Chemistry Chemistry Ii Chapter 13 Amines

NCERT Solution For Class 12 Chemistry Chemistry Ii

Amines Here is the CBSE Chemistry Chapter 13 for Class 12 students. Summary and detailed explanation of the lesson, including the definitions of difficult words. All of the exercises and questions and answers from the lesson's back end have been completed. NCERT Solutions for Class 12 Chemistry Amines Chapter 13 NCERT Solutions for Class 12 Chemistry Amines Chapter 13 The following is a summary in Hindi and English for the academic year 2024-25. You can save these solutions to your computer or use the Class 12 Chemistry.

Question 1

NCERT Solutions for Class 12 Chemistry Chemistry Ii Chapter 13 Amines

NCERT Solution For Class 12 Chemistry Chemistry Ii

Classify the following amines as primary, secondary or tertiary:

Classify the following amines as primary, secondary or tertiary:

Classify the following amines as primary, secondary or tertiary:(C2H5)2CHNH2

Classify the following amines as primary, secondary or tertiary:(C2H5)2NH

Write structures of different isomeric amines corresponding to the molecular formula C4H11N.

Write IUPAC names of all the isomers.

What type of isomerism is exhibited by different pairs of amines?

How will you convert Benzene into aniline.

How will you convert Benzene into N, N-dimethylaniline?

How will you convert into hexan - 1.6-diamine?

Arrange the following in increasing order of their basic strength:C2H5NH2, C6H5NH2, NH3, C6H5CH2NH2 and (C2H5)2NH

Arrange the following in increasing order of their basic strength:C2H5NH2, (C2H5)2NH, (C2H5)3N, C6H5NH2

Arrange the following in increasing order of their basic strength:CH3NH2, (CH3)2NH, (CH3)3N, C6H5NH2, C6H5 CH2NH2

Complete the following acid base reactions and name the products:CH3CH2CH2NH2 + HCl →

Complete the following acid base reactions and name the products:(C2H5)3N + HCl →

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

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

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.

Convert 3-Methylaniline into 3-Nitrotoluene .

Convert Aniline into 1, 3, 5-tribromobenzene.

Define amines.

Classify the following amines as primary (1°), secondary (2°), or tertiary (3°).

Give the common names of the following compounds:

Give the common names of the following compounds:

Give the common and IUPAC names of:

Write the IUPAC and common name of

Write the structure of the following compounds:N-methyl - 1- butanamine

Write the structure of the following compounds:Diethyl cyclopentylamine

Give IUPAC name to the compound

Write the IUPAC name of aniline.

Write the IUPAC name of CH3NH C2H5.

Write the IUPAC name of:

Write an equation of Hoffmann Bromamide reaction.

Write the major product of the reaction when amide is reduced with LiAlH4

Write equation for the reaction when 1 mol of propanamine is alkylated with 2 moles methyl iodide.

How is aniline obtained on a large scale?

How will you prepare n-propylamine by reduction of a nitrite with LiAIH4?

Convert benzyl bromide to β-phenyl ethylamine.

Give the name of the product along with its structure when CH3NH2 reacts with an excess of CH3I.

How can a carboxylic acid be converted to an amine having one carbon atom less than the carboxyl acid used?

Arrange the following in decreasing order of their basic strength.C6H5NH2, C2H5NH2, (C2H5)2NH, CH3NH2, C6H5CH2NH2, NH3

Why are amines basic in nature?

Why are aromatic amines weaker bases than aliphatic amines?

Why are amines soluble in dilute mineral acids?

Why sulphanilic acid has high melting point?

What happens when silver chloride is treated with aqueous ethylamine?

What is diazotization?

Write chemical reaction for the preparation of sulphanillic acid from aniline.

How acetanilide obtained from aniline?

How is aniline obtained from nitrobenzene? Write only the chemical equation .

Which amine in the following pair is stronger base?

Which amine is the following pair is a stronger base?CH3CH2CH2—NH2; CH3—NH—CH2CH3

Which test is used to detect the presence of primary amine?

What happens when an alkylhalide reacts with AgNO2 and product is reduced?

Why aqueous ethylamine turns red litmus blue?

Why aniline dissolves in hydrochloric acid?

What happens when ethylamine is treated with methyl magnesium bromide?

What happens when aniline is treated with bromine?

Give one test to distinguish Aniline and N-methyl aniline.

Give one use of quaternary ammonium salt.

What would be the product of controlled oxidation of aniline with K2Cr2O7 + H2SO4 ?

Arrange the following in order of increasing basic strength. Aniline, ethylamine, ethane, phenol.

Why cyclohexylamine is stronger base than aniline?

What happens when t-alkyl amine is oxidised with KMnO4?

For an amine, RNH2 write the expression for Kb to indicate its base strength.

How will you prepare aniline from benzene?

Write the chemical reaction of preparation of aniline from benzene ?

Write the structures of compound A.

Write the structures of compound B.

An organic compound ‘A’ having the molecular formula C2H7N on treatment with nitrous acid gave an oily yellow substance. Identify ‘A’.

Account for the fact that ‘before nitration, aniline is converted to acetanilide’.

Arrange the following in the order of their increasing basicity; p-toluidine, N, N-dimethyl-p-toluidine, p-nitroaniline, aniline.

Why lower aliphatic amines are soluble in water?

Give the structure and IUPAC name of the product obtained in the following reaction:

Arrange the following isomeric compounds in order of decreasing boiling points.CH3CH2N(CH3)2 , CH3CH2CH2CH2NH2, (CH3CH2)2NH.

Tertiary amines do not undergo acylation. Why?

Sulphanilic acid has high m.p. as well as insoluble inorganic solvent why?

(C2H5)4N+ is neither an electrophile nor a nucleophile. Why?

Classify the following amines as primary, secondary or tertiary:
(C₂H₅)₂CHNH₂

Classify the following amines as primary, secondary or tertiary:
(C₂H₅)₂NH

Write structures of different isomeric amines corresponding to the molecular formula C₄H₁₁N.

How will you convert $Cl minus left parenthesis CH subscript 2 right parenthesis subscript 4 minus Cl$ into hexan - 1.6-diamine?

Arrange the following in increasing order of their basic strength:
C₂H₅NH_2, C₆H₅NH₂, NH₃, C₆H₅CH₂NH₂ and (C₂H₅)₂NH

Arrange the following in increasing order of their basic strength:
C₂H₅NH₂, (C₂H₅)₂NH, (C₂H₅)₃N, C₆H₅NH₂

Arrange the following in increasing order of their basic strength:
CH₃NH₂, (CH₃)₂NH, (CH₃)₃N, C₆H₅NH₂, C₆H₅ CH₂NH₂

Complete the following acid base reactions and name the products:
CH₃CH₂CH₂NH₂ + HCl →

Complete the following acid base reactions and name the products:
(C₂H₅)₃N + HCl →

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.

Give the common names of the following compounds:

$begin mathsize 16px style bold left parenthesis bold italic C bold italic H subscript bold 3 bold right parenthesis subscript bold 3 bold N end style$

Write the structure of the following compounds:
N-methyl - 1- butanamine

Write the structure of the following compounds:
Diethyl cyclopentylamine

Write the IUPAC name of CH₃NH C₂H₅.

Write the major product of the reaction when amide is reduced with LiAlH₄

How will you prepare n-propylamine by reduction of a nitrite with LiAIH₄?

Give the name of the product along with its structure when CH₃NH₂ reacts with an excess of CH₃I.

Arrange the following in decreasing order of their basic strength.
C₆H₅NH₂, C₂H₅NH₂, (C₂H₅)₂NH, CH₃NH₂, C₆H₅CH₂NH₂, NH₃

Which amine is the following pair is a stronger base?
CH₃CH₂CH₂—NH₂; CH₃—NH—CH₂CH₃

What happens when an alkylhalide reacts with AgNO₂ and product is reduced?

What would be the product of controlled oxidation of aniline with K₂Cr₂O₇ + H₂SO₄ ?

Arrange the following in order of increasing basic strength.
Aniline, ethylamine, ethane, phenol.

What happens when t-alkyl amine is oxidised with KMnO₄?

For an amine, RNH₂ write the expression for K_b to indicate its base strength.

Write the structures of compound B.
$CH subscript 3 CHO space plus space NH subscript 3 space space rightwards arrow from left parenthesis ii right parenthesis space straight H subscript 2 divided by Ni to left parenthesis straight i right parenthesis space Heat of space straight B$

An organic compound ‘A’ having the molecular formula C₂H₇N on treatment with nitrous acid gave an oily yellow substance. Identify ‘A’.

Give the structure and IUPAC name of the product obtained in the following reaction:
$left parenthesis CH subscript 3 right parenthesis subscript 2 CHCONH subscript 2 space rightwards arrow from NaOH to Br subscript 2 of$

Arrange the following isomeric compounds in order of decreasing boiling points.
CH₃CH₂N(CH₃)₂ , CH₃CH₂CH₂CH₂NH₂, (CH₃CH₂)₂NH.

(C₂H₅)₄N⁺ is neither an electrophile nor a nucleophile. Why?

What is the correct order of decreasing boiling point of the following compounds?
CH₃ CH₂ CH₂ OH, CH₃ CH₂ CH₂ NH₂, CH₃ CH₂OCH₃, CH₃ CH₂ NHCH₃

Describe the hybridization and shape of (CH₃)₃N.

Arrange the following in decreasing basicity.

CH₃CH₂NH₂, CH₂ = CH—NH₂, (CH₃CH₂)₂NH

Write the structure of the products obtained in the following reactions:

$left parenthesis CH subscript 3 right parenthesis subscript 2 NH space plus space HNO subscript 3 space rightwards arrow$

Identify A and B in the following:

$straight R subscript 2 CO space rightwards arrow with NH subscript 3 on top space straight A space rightwards arrow with Ni divided by straight H subscript 2 on top space straight B$

Name the product of the reaction of HNO₂ with the (CH₃)₂NH.

Name the product of the reaction of HNO₂ with the CH₃CH₂NH_2.

What is the structure of compound A?
$2 comma space 4 space nitro space benzene rightwards arrow from left parenthesis ii right parenthesis space anisole to left parenthesis straight i right parenthesis space NaNO subscript 2 plus HCl space 0 minus 4 degree straight C of straight A$

Compare the reactions of MeN and Ph₃N with BF_3.

Why is it preferred to use methanol (and not methyl iodide HCHO or HCOOH) for preparing C₆H₅N(CH₃)₂ from aniline ?

Write the products of the reaction of

Also write their IUPAC names.

Complete the reaction:
CH₃NH₂ + H₂O →

Complete the reaction:
CH₃CHNH₂ + HCl(g) →

Write the structure of the isomeric aromatic amines with formula C₇H₉N and give their IUPAC names.

Write chemical equations for the following reactions:
(i) Reaction of ethanolic NH₃ with C₂H₅Cl.

(ii) Ammonolysis of benzyl chloride and reaction of amine so formed with two moles of CH₃l.

Give IUPAC names of the following compounds according to IUPAC system:

$Error converting from MathML to accessible text.$

Write common name of the following compounds:
$left parenthesis CH subscript 3 right parenthesis subscript 3 CCH subscript 2 NH subscript 2$

Draw structures for the following compound:
N-isopropylaniline.

Draw structures for the following compound:
p-toluidine

Draw structure for the following compound:
t-butylamine

Draw structures for the following compound:
p-amino acetophenone.

Write IUPAC names of the compounds given below:
p-toluidine

Write IUPAC names of the compounds given below:
t-butylamine.

Write IUPAC names of the compounds given below:
p-amino acetophenone.

Write IUPAC names of the compounds given below:
$left parenthesis CH subscript 3 right parenthesis subscript 4 straight N to the power of plus Cl to the power of minus$