✕
Find the best tutors and institutes for Class 12 Tuition
Find Best Class 12 Tuition
Amines Exercises Solutions
- Q9.1 (i): Write IUPAC names of the following compounds and classify them into primary, secondary and tertiary amines. (i) \((CH_{3})_{2}CHNH_{2}\)
- Q9.1 (ii): Write IUPAC names of the following compounds and classify them into primary, secondary and tertiary amines. (ii) \(CH_{3}(CH_{2})_{2}NH_{2}\)
- Q9.1 (iii): Write IUPAC names of the following compounds and classify them into primary, secondary and tertiary amines. (iii) \(CH_{3}NHCH(CH_{3})_{2}\)
- Q9.1 (iv): Write IUPAC names of the following compounds and classify them into primary, secondary and tertiary amines. (iv) \((CH_{3})_{3}CNH_{2}\)
- Q9.1 (v): Write IUPAC names of the following compounds and classify them into primary, secondary and tertiary amines. (v) \(C_{6}H_{5}NHCH_{3}\)
- Q9.1 (vi): Write IUPAC names of the following compounds and classify them into primary, secondary and tertiary amines. (vi) \((CH_{3}CH_{2})_{2}NCH_{3}\)
- Q9.1 (vii): Write IUPAC names of the following compounds and classify them into primary, secondary and tertiary amines. (vii) \(m–BrC_{6}H_{4}NH_{2}\)
- Q9.1(i): Write IUPAC names of the following compounds and classify them into primary, secondary and tertiary amines. (i) (( (CH_{3})_{2}CHNH_{2} ))
- Q9.1(ii): Write IUPAC names of the following compounds and classify them into primary, secondary and tertiary amines. (ii) (( CH_{3}(CH_{2})_{2}NH_{2} ))
- Q9.1(iii): Write IUPAC names of the following compounds and classify them into primary, secondary and tertiary amines. (iii) (( CH_{3}NHCH(CH_{3})_{2} ))
- Q9.1(iv): Write IUPAC names of the following compounds and classify them into primary, secondary and tertiary amines. (iv) (( (CH_{3})_{3}CNH_{2} ))
- Q9.1(v): Write IUPAC names of the following compounds and classify them into primary, secondary and tertiary amines. (v) (( C_{6}H_{5}NHCH_{3} ))
- Q9.1(vi): Write IUPAC names of the following compounds and classify them into primary, secondary and tertiary amines. (vi) (( (CH_{3}CH_{2})_{2}NCH_{3} ))
- Q9.1(vii): Write IUPAC names of the following compounds and classify them into primary, secondary and tertiary amines. (vii) (( m–BrC_{6}H_{4}NH_{2} ))
- Q9.10: An aromatic compound ‘A’ on treatment with aqueous ammonia and heating forms compound ‘B’ which on heating with \(Br_{2}\) and \(KOH\) forms a compound ‘C’ of molecular formula \(C_{6}H_{7}N\). Write the structures and IUPAC names of compounds A, B and C.
- Q9.10: An aromatic compound ‘A’ on treatment with aqueous ammonia and heating forms compound ‘B’ which on heating with (( Br_{2} )) and KOH forms a compound ‘C’ of molecular formula (( C_{6}H_{7}N )). Write the structures and IUPAC names of compounds A, B and C.
- Q9.11: Complete the following reactions:
- Q9.11 (i): Complete the following reactions: (i) \(C_{6}H_{5}NH_{2} + CHCl_{3} + \text{alc.}KOH \rightarrow\)
- Q9.11 (ii): Complete the following reactions: (ii) \(C_{6}H_{5}N_{2}^{+}Cl^{-} + H_{3}PO_{2} + H_{2}O \rightarrow\)
- Q9.11 (iii): Complete the following reactions: (iii) \(C_{6}H_{5}NH_{2} + H_{2}SO_{4} (\text{conc.}) \rightarrow\)
- Q9.11 (iv): Complete the following reactions: (iv) \(C_{6}H_{5}N_{2}^{+}Cl^{-} + C_{2}H_{5}OH \rightarrow\)
- Q9.11 (v): Complete the following reactions: (v) \(C_{6}H_{5}NH_{2} + Br_{2} (aq) \rightarrow\)
- Q9.11 (vi): Complete the following reactions: (vi) \(C_{6}H_{5}NH_{2} + (CH_{3}CO)_{2}O \rightarrow\)
- Q9.11(i): Complete the following reactions: (i) (( C_{6}H_{5}NH_{2} + CHCl_{3} + \text{alc.KOH} \rightarrow ))
- Q9.11(ii): Complete the following reactions: (ii) (( C_{6}H_{5}N_{2}^{+}Cl^{-} + H_{3}PO_{2} + H_{2}O \rightarrow ))
- Q9.11(iii): Complete the following reactions: (iii) (( C_{6}H_{5}NH_{2} + H_{2}SO_{4}(\text{conc.}) \rightarrow ))
- Q9.11(iv): Complete the following reactions: (iv) (( C_{6}H_{5}N_{2}^{+}Cl^{-} + C_{2}H_{5}OH \rightarrow ))
- Q9.11(v): Complete the following reactions: (v) (( C_{6}H_{5}NH_{2} + Br_{2}(aq) \rightarrow ))
- Q9.11(vi): Complete the following reactions: (vi) (( C_{6}H_{5}NH_{2} + (CH_{3}CO)_{2}O \rightarrow ))
- Q9.11(vii): Complete the following reactions: (vii) (( C_{6}H_{5}N_{2}^{+}Cl^{-} \xrightarrow{(i)HBF_{4} (ii)NaNO_{2}/Cu, \Delta} ))
- Q9.12: Why cannot aromatic primary amines be prepared by Gabriel phthalimide synthesis?
- Q9.12: Why cannot aromatic primary amines be prepared by Gabriel phthalimide synthesis?
- Q9.13 (i): Write the reactions of (i) aromatic primary amines with nitrous acid.
- Q9.13 (ii): Write the reactions of (ii) aliphatic primary amines with nitrous acid.
- Q9.13(i): Write the reactions of aromatic primary amines with nitrous acid.
- Q9.13(ii): Write the reactions of aliphatic primary amines with nitrous acid.
- Q9.14 (i): Give plausible explanation for each of the following: (i) Why are amines less acidic than alcohols of comparable molecular masses?
- Q9.14 (ii): Give plausible explanation for each of the following: (ii) Why do primary amines have higher boiling point than tertiary amines?
- Q9.14 (iii): Give plausible explanation for each of the following: (iii) Why are aliphatic amines stronger bases than aromatic amines?
- Q9.14(i): Give plausible explanation for each of the following: (i) Why are amines less acidic than alcohols of comparable molecular masses?
- Q9.14(ii): Give plausible explanation for each of the following: (ii) Why do primary amines have higher boiling point than tertiary amines?
- Q9.14(iii): Give plausible explanation for each of the following: (iii) Why are aliphatic amines stronger bases than aromatic amines?
- Q9.2 (i): Give one chemical test to distinguish between the following pairs of compounds. (i) Methylamine and dimethylamine
- Q9.2 (ii): Give one chemical test to distinguish between the following pairs of compounds. (ii) Secondary and tertiary amines
- Q9.2 (iii): Give one chemical test to distinguish between the following pairs of compounds. (iii) Ethylamine and aniline
- Q9.2 (iv): Give one chemical test to distinguish between the following pairs of compounds. (iv) Aniline and benzylamine
- Q9.2 (v): Give one chemical test to distinguish between the following pairs of compounds. (v) Aniline and N-methylaniline.
- Q9.2(i): Give one chemical test to distinguish between the following pairs of compounds. (i) Methylamine and dimethylamine
- Q9.2(ii): Give one chemical test to distinguish between the following pairs of compounds. (ii) Secondary and tertiary amines
- Q9.2(iii): Give one chemical test to distinguish between the following pairs of compounds. (iii) Ethylamine and aniline
- Q9.2(iv): Give one chemical test to distinguish between the following pairs of compounds. (iv) Aniline and benzylamine
- Q9.2(v): Give one chemical test to distinguish between the following pairs of compounds. (v) Aniline and N-methylaniline.
- Q9.3 (i): Account for the following: (i) \(pK_{b}\) of aniline is more than that of methylamine.
- Q9.3 (ii): Account for the following: (ii) Ethylamine is soluble in water whereas aniline is not.
- Q9.3 (iii): Account for the following: (iii) Methylamine in water reacts with ferric chloride to precipitate hydrated ferric oxide.
- Q9.3 (iv): Account for the following: (iv) Although amino group is \(o–\) and \(p–\) directing in aromatic electrophilic substitution reactions, aniline on nitration gives a substantial amount of \(m\)-nitroaniline.
- Q9.3 (v): Account for the following: (v) Aniline does not undergo Friedel-Crafts reaction.
- Q9.3 (vi): Account for the following: (vi) Diazonium salts of aromatic amines are more stable than those of aliphatic amines.
- Q9.3 (vii): Account for the following: (vii) Gabriel phthalimide synthesis is preferred for synthesising primary amines.
- Q9.3(i): Account for the following: (i) (( pK_{b} )) of aniline is more than that of methylamine.
- Q9.3(ii): Account for the following: (ii) Ethylamine is soluble in water whereas aniline is not.
- Q9.3(iii): Account for the following: (iii) Methylamine in water reacts with ferric chloride to precipitate hydrated ferric oxide.
- Q9.3(iv): Account for the following: (iv) Although amino group is (( o– )) and (( p– )) directing in aromatic electrophilic substitution reactions, aniline on nitration gives a substantial amount of (( m ))-nitroaniline.
- Q9.3(v): Account for the following: (v) Aniline does not undergo Friedel-Crafts reaction.
- Q9.3(vi): Account for the following: (vi) Diazonium salts of aromatic amines are more stable than those of aliphatic amines.
- Q9.3(vii): Account for the following: (vii) Gabriel phthalimide synthesis is preferred for synthesising primary amines.
- Q9.4 (i): Arrange the following: (i) In decreasing order of the \(pK_{b}\) values: \(C_{2}H_{5}NH_{2}\), \(C_{6}H_{5}NHCH_{3}\), \((C_{2}H_{5})_{2}NH\) and \(C_{6}H_{5}NH_{2}\)
- Q9.4 (ii): Arrange the following: (ii) In increasing order of basic strength: \(C_{6}H_{5}NH_{2}\), \(C_{6}H_{5}N(CH_{3})_{2}\), \((C_{2}H_{5})_{2}NH\) and \(CH_{3}NH_{2}\)
- Q9.4 (iii)(a): Arrange the following: (iii) In increasing order of basic strength: (a) Aniline, \(p\)-nitroaniline and \(p\)-toluidine
- Q9.4 (iii)(b): Arrange the following: (iii) In increasing order of basic strength: (b) \(C_{6}H_{5}NH_{2}\), \(C_{6}H_{5}NHCH_{3}\), \(C_{6}H_{5}CH_{2}NH_{2}\).
- Q9.4 (iv): Arrange the following: (iv) In decreasing order of basic strength in gas phase: \(C_{2}H_{5}NH_{2}\), \((C_{2}H_{5})_{2}NH\), \((C_{2}H_{5})_{3}N\) and \(NH_{3}\)
- Q9.4 (v): Arrange the following: (v) In increasing order of boiling point: \(C_{2}H_{5}OH\), \((CH_{3})_{2}NH\), \(C_{2}H_{5}NH_{2}\)
- Q9.4 (vi): Arrange the following: (vi) In increasing order of solubility in water: \(C_{6}H_{5}NH_{2}\), \((C_{2}H_{5})_{2}NH\), \(C_{2}H_{5}NH_{2}\).
- Q9.4(i): Arrange the following: (i) In decreasing order of the (( pK_{b} )) values: (( C_{2}H_{5}NH_{2} )), (( C_{6}H_{5}NHCH_{3} )), (( (C_{2}H_{5})_{2}NH )) and (( C_{6}H_{5}NH_{2} ))
- Q9.4(ii): Arrange the following: (ii) In increasing order of basic strength: (( C_{6}H_{5}NH_{2} )), (( C_{6}H_{5}N(CH_{3})_{2} )), (( (C_{2}H_{5})_{2}NH )) and (( CH_{3}NH_{2} ))
- Q9.4(iii)(a): Arrange the following: (iii) In increasing order of basic strength: (a) Aniline, (( p ))-nitroaniline and (( p ))-toluidine
- Q9.4(iii)(b): Arrange the following: (iii) In increasing order of basic strength: (b) (( C_{6}H_{5}NH_{2} )), (( C_{6}H_{5}NHCH_{3} )), (( C_{6}H_{5}CH_{2}NH_{2} )).
- Q9.4(iv): Arrange the following: (iv) In decreasing order of basic strength in gas phase: (( C_{2}H_{5}NH_{2} )), (( (C_{2}H_{5})_{2}NH )), (( (C_{2}H_{5})_{3}N )) and (( NH_{3} ))
- Q9.4(v): Arrange the following: (v) In increasing order of boiling point: (( C_{2}H_{5}OH )), (( (CH_{3})_{2}NH )), (( C_{2}H_{5}NH_{2} ))
- Q9.4(vi): Arrange the following: (vi) In increasing order of solubility in water: (( C_{6}H_{5}NH_{2} )), (( (C_{2}H_{5})_{2}NH )), (( C_{2}H_{5}NH_{2} )).
- Q9.5 (i): How will you convert: (i) Ethanoic acid into methanamine
- Q9.5 (ii): How will you convert: (ii) Hexanenitrile into 1-aminopentane
- Q9.5 (iii): How will you convert: (iii) Methanol to ethanoic acid
- Q9.5 (iv): How will you convert: (iv) Ethanamine into methanamine
- Q9.5 (v): How will you convert: (v) Ethanoic acid into propanoic acid
- Q9.5 (vi): How will you convert: (vi) Methanamine into ethanamine
- Q9.5 (vii): How will you convert: (vii) Nitromethane into dimethylamine
- Q9.5 (viii): How will you convert: (viii) Propanoic acid into ethanoic acid?
- Q9.5(i): How will you convert: (i) Ethanoic acid into methanamine
- Q9.5(ii): How will you convert: (ii) Hexanenitrile into 1-aminopentane
- Q9.5(iii): How will you convert: (iii) Methanol to ethanoic acid
- Q9.5(iv): How will you convert: (iv) Ethanamine into methanamine
- Q9.5(v): How will you convert: (v) Ethanoic acid into propanoic acid
- Q9.5(vi): How will you convert: (vi) Methanamine into ethanamine
- Q9.5(vii): How will you convert: (vii) Nitromethane into dimethylamine
- Q9.5(viii): How will you convert: (viii) Propanoic acid into ethanoic acid?
- Q9.6: Describe a method for the identification of primary, secondary and tertiary amines. Also write chemical equations of the reactions involved.
- Q9.6: Describe a method for the identification of primary, secondary and tertiary amines. Also write chemical equations of the reactions involved.
- Q9.7 (i): Write short notes on the following: (i) Carbylamine reaction
- Q9.7 (ii): Write short notes on the following: (ii) Diazotisation
- Q9.7 (iii): Write short notes on the following: (iii) Hofmann’s bromamide reaction
- Q9.7 (iv): Write short notes on the following: (iv) Coupling reaction
- Q9.7 (v): Write short notes on the following: (v) Ammonolysis
- Q9.7 (vi): Write short notes on the following: (vi) Acetylation
- Q9.7 (vii): Write short notes on the following: (vii) Gabriel phthalimide synthesis.
- Q9.7(i): Write short notes on the following: (i) Carbylamine reaction
- Q9.7(ii): Write short notes on the following: (ii) Diazotisation
- Q9.7(iii): Write short notes on the following: (iii) Hofmann’s bromamide reaction
- Q9.7(iv): Write short notes on the following: (iv) Coupling reaction
- Q9.7(v): Write short notes on the following: (v) Ammonolysis
- Q9.7(vi): Write short notes on the following: (vi) Acetylation
- Q9.7(vii): Write short notes on the following: (vii) Gabriel phthalimide synthesis.
- Q9.8 (i): Accomplish the following conversions: (i) Nitrobenzene to benzoic acid
- Q9.8 (ii): Accomplish the following conversions: (ii) Benzene to \(m\)-bromophenol
- Q9.8 (iii): Accomplish the following conversions: (iii) Benzoic acid to aniline
- Q9.8 (iv): Accomplish the following conversions: (iv) Aniline to 2,4,6-tribromofluorobenzene
- Q9.8 (ix): Accomplish the following conversions: (ix) Aniline to benzyl alcohol.
- Q9.8 (v): Accomplish the following conversions: (v) Benzyl chloride to 2-phenylethanamine
- Q9.8 (vi): Accomplish the following conversions: (vi) Chlorobenzene to \(p\)-chloroaniline
- Q9.8 (vii): Accomplish the following conversions: (vii) Aniline to \(p\)-bromoaniline
- Q9.8 (viii): Accomplish the following conversions: (viii) Benzamide to toluene
- Q9.8(i): Accomplish the following conversions: (i) Nitrobenzene to benzoic acid
- Q9.8(ii): Accomplish the following conversions: (ii) Benzene to m-bromophenol
- Q9.8(iii): Accomplish the following conversions: (iii) Benzoic acid to aniline
- Q9.8(iv): Accomplish the following conversions: (iv) Aniline to 2,4,6-tribromofluorobenzene
- Q9.8(ix): Accomplish the following conversions: (ix) Aniline to benzyl alcohol.
- Q9.8(v): Accomplish the following conversions: (v) Benzyl chloride to 2-phenylethanamine
- Q9.8(vi): Accomplish the following conversions: (vi) Chlorobenzene to p-chloroaniline
- Q9.8(vii): Accomplish the following conversions: (vii) Aniline to p-bromoaniline
- Q9.8(viii): Accomplish the following conversions: (viii) Benzamide to toluene
- Q9.9: Give the structures of A, B and C in the following reactions:
- Q9.9: Give the structures of A, B and C in the following reactions:
- Q9.9: Give the structures of A, B and C in the following reactions:
- Q9.9: Give the structures of A, B and C in the following reactions:
- Q9.9: Give the structures of A, B and C in the following reactions:
- Q9.9: Give the structures of A, B and C in the following reactions:
- Q9.9(i): Give the structures of A, B and C in the following reactions: (i) (( CH_{3}CH_{2}I \xrightarrow{NaCN} A \xrightarrow{OH^{-}/ \text{Partial hydrolysis}} B \xrightarrow{NaOH + Br_{2}} C ))
- Q9.9(ii): Give the structures of A, B and C in the following reactions: (ii) (( C_{6}H_{5}N_{2}^{+}Cl^{-} \xrightarrow{CuCN} A \xrightarrow{H_{2}O/H^{+}} B \xrightarrow{NH_{3}, \Delta} C ))
- Q9.9(iii): Give the structures of A, B and C in the following reactions: (iii) (( CH_{3}CH_{2}Br \xrightarrow{KCN} A \xrightarrow{LiAlH_{4}} B \xrightarrow{HNO_{2}, 0^{\circ}C} C ))
- Q9.9(iv): Give the structures of A, B and C in the following reactions: (iv) (( C_{6}H_{5}NO_{2} \xrightarrow{Fe/HCl} A \xrightarrow{NaNO_{2} + HCl, 273 K} B \xrightarrow{H_{2}O/H^{+}, \Delta} C ))
- Q9.9(v): Give the structures of A, B and C in the following reactions: (v) (( CH_{3}COOH \xrightarrow{NH_{3}, \Delta} A \xrightarrow{NaOBr} B \xrightarrow{NaNO_{2}/HCl} C ))
- Q9.9(vi): Give the structures of A, B and C in the following reactions: (vi) (( C_{6}H_{5}NO_{2} \xrightarrow{Fe/HCl} A \xrightarrow{HNO_{2}, 273K} B \xrightarrow{C_{6}H_{5}OH} C ))
Chapters in CBSE - Class 12 Chemistry
Top Tutors who teach Amines
(13)
Top Tutor 
KR Puram, Bangalore 
8 yrs of Exp 
2 students 
31 hrs of classes completed 
500 per hour Science HOD with 8 years of experience of teaching physics to grade X,XI & XII
Online Classes I am a physics teacher handling X,XI,XII grades, having 8 years experience as Science HOD in a cbse School. I have a degree in BE ( electronics and telecommunications).With my best efforts, support, patience ,commitment I unlock my students potential.Concepts are presented in a clear, simple and direct manner. Consistently my class result is 100% with good subject average. Expanding pupils horizons is my accomplishment.
Skills: Physics
(34)
Top Tutor Garia Baishnabghata Patuli Township, Kolkata 11 yrs of Exp 4 students 1119 hrs of classes completed 400 per hour I have a degree in Mechanical Engineering I have conducted over 12000 online sessions on Math. durin
Online Classes I have taught class 12 students for 5 years.
Skills: Mathematics
Also teaches: Class 6 Tuition, Class 11 Tuition and more
(20)
Super Tutor Mathara, Kozhikode 12 yrs of Exp 22 students 821 hrs of classes completed 700 per hour Experienced and certified Physics mentor from Kerala.
Online Classes I have been teaching Physics for the past 18 years and I am passionate about making Physics simple, conceptual and accessible for every student. My academic background includes M.Sc. in Physics, B.Ed., SET, AWES CSB PGT Physics, and CTET qualifications. I worked as PGT Physics at APS Nasirabad, APS Roorkee, Kendriya Vidyalaya Banar, Rajasthan and Assistant Lecturer of Physics in Aakash Institute. My online classes are highly structured, interactive, and tailored to meet the individual comfort and academic requirements of students.
Sani Kazi
I had a good experience with Prajeesha Ma'am. She gives clear explanation and questions of all sorts including PYQs to help students understand practice the concept very well.
Skills: Physics
Also teaches: NEET-UG Coaching, Class 10 Tuition and more
(25)
Super Tutor Bhestan, Surat 5 yrs of Exp 14 students 842 hrs of classes completed 500 per hour 5+ Yrs Exp | M.Sc. Maths | B.Tech Chem Eng | DRDO Research | Mentored 500+ Students Online & Offline
Online Classes I have over 5 years of experience teaching Class 12 CBSE students in Physics, Chemistry, and Mathematics, following the latest CBSE and NCERT curriculum and examination pattern. My teaching approach focuses on building strong conceptual foundations while developing problem-solving skills required for board examinations and competitive-level questions. I explain every topic in a structured and student-friendly manner, starting from basic concepts and gradually moving towards application-based and higher-order questions. Special emphasis is given to NCERT theory, important derivations, numerical problems, diagrams, formulas, reactions, and previous-year examination patterns. Over the years, I have helped many Class 12 students improve their academic performance, with several students scoring 90% and above in their board examinations. I regularly identify individual learning gaps and provide targeted practice, revision, doubt-solving, and exam-oriented guidance. My goal is not only to help students score high marks but also to make Physics, Chemistry, and Mathematics clear, logical, and easy to understand through consistent practice and personalized guidance.
Anushka Kaminkar
Shivam sir is an amazing teacher who spends enough time helping us understand topics in a fun and easy way. He also gives us practical examples making chemistry seem easier!
Skills: Mathematics , Physics and more
Also teaches: Class 9 Tuition, Class 10 Tuition and more
(28)
Top Tutor Patthri Bagh, Dehradun 3 yrs of Exp 3 hrs of classes completed 500 per hour Well Experienced Teacher, Trainer and Mentor, Having a Experience of more than 5 years .
Online Classes I worked as a Computer teacher in Kendriya Vidyalaya. I worked for a software company Synapse Valutech Private Limited as a Java developer. I worked for so many training centers for Java-like DUCAT, High Technologies, Sky Infotech. Special batches for freshers in JAVA and for working professionals. Special Batches for BA, XI-XII for History, Geography, Economics, Indian Polity, Environment, SSC Maths, English, GS. Vast experience in teaching for class 1 to 10( Science, Maths, SST, Hindi, English Grammar, Computer Science or IT). I have students of DPS Vasant Kunj, DAV Vasant Kunj, Mother's International, Bhatnagar International school, DU and JNU.
Skills: English , Mathematics and more
Also teaches: Class 10 Tuition, Class 6 Tuition and more
×
