Important Questions Class 12 Chemistry Chapter 9, PDF Download

If you are preparing for your board exams, revising Important Questions Class 12 Chemistry Chapter 9 is essential for scoring well in organic chemistry. Chapter 9, Amines, includes key concepts like classification, preparation methods, chemical reactions, and important name reactions that are frequently asked in exams.

Practising Amines class 12 important questions helps students strengthen conceptual clarity, improve answer-writing skills, and confidently attempt both numerical and theory-based questions in the final examination.

Important Questions Class 12 Chemistry Chapter 9 

Below are the Important Questions Class 12 Chemistry Chapter 9 designed to help students revise the chapter effectively before exams. These questions cover all key topics such as preparation of amines, chemical properties, reactions of aniline, and important name reactions.

Practising Amines Class 12 Chemistry Important Question sets helps in building strong conceptual understanding and improving answer-writing skills. Students should also solve Class 12 Chemistry Amines MCQ regularly to strengthen their objective question practice and boost confidence for board examinations.

1. Arrange the following ethyl amines in the increasing order of their basic character in aqueous medium

(i) (C2H5)2NH

(ii) C2H5–NH2

(iii) (C2H5)3N 

2. Gabriel synthesis is used for the preparation of which type of amines? 

(1) Primary (2) Secondary

(3) Tertiary (4) Quaternary

3. (i) Aniline is less basic than ammonia. Why? (ii) How, aniline is converted into 4–bromo aniline? [March 2025]

4. The most basic compound among the following is 

(1) C2H5NH2 (2) C6H5NH2

(3) NH3 (4) C2H5)2NH

5. Amines are classified as primary, secondary and tertiary.

a) Write the IUPAC name of the following compound: H2N – (CH2)6 – NH2

b) Which is stronger base: CH3 – NH2 or C6H5 – NH2? Why? [March 2015]

6. Complete the following equations

7. i) What is the chemical name of Hinsberg Reagent?

ii) Give the use of this reagent. 

8. Complete the following reaction

9. Aniline is less basic than ammonia. Why ?

10. CH3 – NH2 is more basic than NH3 while C6H5 – NH2 is less basic than NH3 . Explain. [March 2022]

Last Minute Preparation Tips for Class 12 Chemistry Chapter 9 Amines

If your exam is near, focus on quick and smart revision of Chapter 9 Amines. This chapter is important in organic chemistry and often carries good weightage in board exams.

• First, revise the classification of amines (primary, secondary and tertiary) and understand their basic structure and nomenclature properly. Make sure you clearly remember important name reactions such as Hofmann Bromamide reaction, Gabriel Phthalimide synthesis, Carbylamine reaction and Diazotisation. These reactions are frequently asked in exams.

• Next, focus on chemical properties of amines, especially reactions of aniline. Learn the mechanisms and understand why certain reactions occur. Revise basicity order in gaseous and aqueous phases, as reasoning-based questions are common from this topic.

• Go through important conversions and practice writing equations neatly with proper reagents and conditions. Also, quickly revise NCERT in-text questions and examples because many board questions are directly based on them.

• Stay calm, avoid starting new topics at the last moment, and concentrate on clarity of concepts and reactions. Clear understanding and proper presentation will help you score well.