CBSE Class 12 Chemistry Haloalkanes And Haloarenes Question Bank Set 01

Official Class 12 Chemistry Worksheets: Unit 6 Haloalkanes and Haloarenes

Review targeted practice sets for Class 12 Chemistry Unit 6 Haloalkanes and Haloarenes. Built according to official educational guidelines for the 2026-27 academic year, these downloadable worksheets support daily revision and core concept reinforcement.

Chapter-wise Practice Material: Unit 6 Haloalkanes and Haloarenes

Access the complete worksheet PDF for Unit 6 Haloalkanes and Haloarenes below. Regular practice with these targeted questions builds familiarity with standard exam patterns and helps secure higher marks in final Chemistry evaluations.

QUESTION BANK
 
Halo alkanes and Halo arenes
 
1 Define
 
(i) Chiral carbon
 
(ii) Chiral molecule
 
(iii) Enantiomer
 
(iv) Racemic mixture
 
2 Explain the following with suitable example
 
(i) Racemisation
 
(ii) Inversion of configuration
 
(iii) Retention of configuration
 
3 Give reasons:
 
(i) Thionyl chloride is best reagent for converting alcohols to haloalkanes.
 
(ii) Alkyl halides have higher boiling points than corresponding hydrocarbons
 
(iii) Benzylic and allylic halides follow SN1 mechanism.
 
(iv) H3PO4 is used with KI for iodination of alcohols.
 
(v) Halogens are deactivating but ‘o, p’ directive.
 
(vi) Presence of electron withdrawing groups on benzene ring increases tendency of SN reaction.
 
4 Write equation to illustrate
 
(i) Sandmeyer reaction
 
(ii) Finkelstein reaction
 
(iii) Swart’s reaction
 
(iv) Wurtz reaction.
 
5 Explain with suitable example the following mechanism
 
(i) SN1
 
(ii) SN2
 
(iii) SN in aryl halides
 
6 What happens when:
 
(i) Chlorobenzene is treated with Mg in ether and then reacted with water
 
(ii) Cylcohexene is treated with Br2 /uv light
 
(iii) Ethylbromide is treated with excess ammonia
 
(iv) Isopropylbromide is treated with sodium ethoxide
 
(v) Methyl bromide is treated with metallic sodium in ether
 
7 Bring about the following conversions:
 
(i) 2-methyl propene to 2-chloro-2-methylpropane
 
(ii) benzene to 4-bromo nitrobenzene
 
(iii) benzylalcohol to 2-phenylethanoic acid
 
(iv) ethanol to butane
 
(v) propene to 1-propanol
 
(vi) 1-bromopropane to 2-bromopropane
 
(vii) 2-bromopropane to 1-bromopropane
 
(viii) Benzene to biphenyl
 
(ix) Methylbromide to acetic acid
 
(x) Tert- butylbromide to isobutylbromide
 
8 Give a test to distinguish
 
(i) Ethyl chloride and phenyl chloride
 
(ii) 1-Cholropropene and 3-chloropropene

 

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Unit 6 Haloalkanes and Haloarenes Practice Sheet and Solutions for Class 12 Chemistry

Download Practice Sheet: Unit 6 Haloalkanes and Haloarenes (Class 12 Chemistry)

Review targeted practice exercises for Class 12 Chemistry Unit 6 Haloalkanes and Haloarenes. Curated to match official CBSE guidelines, these downloadable PDF sheets support daily revision and core concept reinforcement.

Concept Clarification for Unit 6 Haloalkanes and Haloarenes

Each worksheet is structured around standard CBSE textbooks, allowing students to check their working steps and correct mistakes early in their revision.

Additional Study Resources for Class 12 Chemistry

Follow up your worksheet practice by attempting the interactive online Chemistry MCQ test for this chapter to evaluate your execution speed. All platform resources are free to access.

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Are these Chemistry Class 12 worksheets based on the 2026-27 competency-based pattern?

Yes, our CBSE Class 12 Chemistry Haloalkanes And Haloarenes Question Bank Set 01 includes a variety of questions like Case-based studies, Assertion-Reasoning, and MCQs as per the 50% competency-based weightage in the latest curriculum for Class 12.

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