CBSE Class 12 Haloalkanes and Haloarenes Important Questions with Answers

CBSE Class 12 Haloalkanes and Haloarenes Important Questions

The CBSE Class 12 Board Exams 2026 will start on 17 February 2026. One important chapter in Chemistry is Haloalkanes and Haloarenes. It is part of the Organic Chemistry section in the Class 12 syllabus. This chapter talks about compounds that have halogen atoms attached to alkanes or aromatic rings. It explains how to classify them, how to name them, and the different ways to prepare them. It also covers their physical and chemical properties.

The chapter includes important reactions like nucleophilic substitution, elimination, and electrophilic aromatic substitution. Understanding the mechanisms of these reactions is important to know how these compounds react in different situations. It also explains some uses of haloalkanes and haloarenes in daily life and in industries.

To prepare well, students can go through a list of haloalkanes and haloarenes Class 12 important questions. These questions cover the main reactions, properties, and mechanisms that are often asked in exams. Practising these questions helps in revising the chapter, remembering important points, and doing better in the 2026 board exams.

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Haloalkanes and Haloarenes Important Topics

Here are the important topics to cover from the chapter Haloalkanes and Haloarenes:-

Check Out: Class 12th Sample Papers

Haloalkanes and Haloarenes Class 12 Important Questions

1. Which one of the following halides contains Csp2–X bond? (Re) (CBSE, 2022 Term-I)

(a) Allyl halide (b) Alkyl halide

(c) Benzyl halide (d) Vinyl halide

2. Which of the following belongs to the class of Vinyl halides? (Re) (CBSE, 2023)

(a) CH2 CHCH2CH2Cl

(b) CH2 C CH3

Br

(c) CH2 CH CH2 Br

(d) CH C Br

3. Which is the correct IUPAC name for

CH3 CH CH2 Br?

C2H5

(Ap) (NCERT Exemplar)

(a) 1-Bromo-2-ethylpropane

(b) 1-Bromo-2-ethyl-2-methylethane

(c) 1-Bromo-2-methylbutane

(d) 2-Methyl-1-bromobutane

4. Which of the following has highest boiling point? (Un) (CBSE, 2022 Term-I)

(a) C2H5–F (b) C2H5–Cl

(c) C2H5–Br (d) C2H5–I

To get more haloalkanes and haloarenes MCQ questions with answers, click CBSE Class 12 Haloalkanes and Haloarenes Important Questions with Answers

How to Prepare for Haloalkanes and Haloarenes?

The chapter Haloalkanes and Haloarenes is an important part of Class 12 Chemistry. It includes preparation, properties, and reactions of these compounds. To score well in board exams, it is essential to follow a clear plan, focus on key topics, and practice different types of questions:-

1. Understand the Basics of the Chapter

Before solving questions, it is important to know the fundamental concepts of haloalkanes and haloarenes.

• Study the definition and classification of haloalkanes and haloarenes.

• Learn the physical and chemical properties of these compounds.

• Make a list of key reactions for easy reference.

2. Focus on Nomenclature

Nomenclature is important as it is frequently asked in exams and is required for writing reactions correctly.

• Practice naming haloalkanes and haloarenes using IUPAC rules.

• Revise common names alongside IUPAC names.

• Solve the haloalkanes and haloarenes class 12 question papers to get familiar with tricky naming patterns.

3. Practice Reactions and Mechanisms

Reactions form the core of this chapter, and understanding them is essential for both theory and numerical questions.

• Write all reactions, such as nucleophilic substitution, elimination, and electrophilic aromatic substitution, in a separate notebook.

• Focus on reaction mechanisms and how products are formed.

• Solve previous year questions and haloalkanes and haloarenes mcq questions with answers for practice.

4. Revise Methods of Preparation

Methods of preparation are often asked directly in exams or as part of reaction-based questions.

• Study how haloalkanes are prepared by substitution or free radical halogenation.

• Learn the preparation of haloarenes by halogenation of aromatic compounds.

• Make a short table for quick revision before exams.

5. Solve MCQs Regularly

MCQs are an important part of the new CBSE Class 12 pattern. Practising them improves speed and accuracy.

• Solve haloalkanes and haloarenes mcq questions with answers pdf from trusted sources.

• Focus on questions covering reactions, properties, and preparation methods.

• Attempt at least 10–15 MCQs daily after completing a topic.

6. Practice Important Questions

Important questions help in revising the chapter effectively and preparing for board exams.

• Solve all haloalkanes and haloarenes class 12 important questions after finishing each topic.

• Include questions from previous years to know frequently asked concepts.

• Use solved sample papers to check your answers and correct mistakes.

7. Make Notes and Quick Charts

Having notes and charts helps in last-minute revision and remembering key points.

• Prepare a chart of reactions with reactants, reagents, and products.

• Write important physical properties and uses in short points.

• Keep a separate sheet for formulas and mechanisms to revise before the exam.

Read More: NCERT Solutions for Class 12 Chemistry Chapter 10 Haloalkanes and Haloarenes

CBSE CLSS 12 Haloalkanes and Haloarenes FAQs

1. What are the main topics in Haloalkanes and Haloarenes?

The chapter covers classification, nomenclature, physical and chemical properties, methods of preparation, reactions, mechanisms, and uses of haloalkanes and haloarenes.

2. What is the classification of haloalkanes and haloarenes?

Haloalkanes can be primary, secondary, or tertiary depending on the carbon attached to the halogen. Haloarenes are classified based on the number of halogen atoms and their position on the aromatic ring.

3. What are the important methods of preparation of haloalkanes?

Key methods include free radical halogenation of alkanes, substitution of alcohols, and reaction of alkanes with hydrogen halides.

4. How are haloarenes prepared?

Haloarenes are mainly prepared by electrophilic halogenation of aromatic compounds using halogens in the presence of a Lewis acid catalyst.

5. Which reactions of haloalkanes are important?

Nucleophilic substitution reactions (SN1 and SN2), elimination reactions, and reactions with metals such as formation of Grignard reagents are commonly asked.