NCERT Solutions For Class 12 Chemistry Chapter 6 Haloalkanes And Haloarenes: Download FREE PDF!

NCERT Solutions for Class 12 Haloalkanes and Haloarenes Chapter 6: Are you a class 12 student preparing for the CBSE Chemistry Exam 2025? Get here latest NCERT solutions of Chapter-6 Haloalkanes and Haloarenes. Keep reading the article to get the NCERT solutions for Chapter 6 Haloalkanes And Haloarenes. 

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NCERT Solutions For Class 12 Chemistry Chapter-6 Haloalkanes And Haloarenes

We are providing some of the questions for Chapter 6 Haloalkanes and Haloarenes. 

1. Name the following halides according to the IUPAC system and classify them as alkyl, allyl, benzyl ( primary, secondary, tertiary ), vinyl or aryl halides: 

(i) (CH3)2CHCH(Cl)CH3

(ii) CH3CH2CH(CH3)CH(C2H5)Cl

(iii) CH3CH2C(CH3)2CH2I

(iv) (CH3)3CCH2CH(Br)C6H5

(v) CH3CH(CH3)CH(Br)CH3

(vi) CH3C(C2H5)2CH2Br

(vii) CH3C(Cl)(C2H5)CH2CH3

(viii) CH3CH=C(Cl)CH2CH(CH3)2

(ix) CH3CH=CHC(Br)(CH3)2

(x) p-ClC6H4CH2CH(CH3)2

(xi) m-ClCH2C6H4CH2C(CH3)3

(xii) o-Br-C6H4CH(CH3)CH2CH3

2. Write the structures of the following organic halogen compounds.

(i) 2 -Chloro-3 -methyl pentane

(ii) p -Bromochlorobenzene

(iii) 1 -Chloro-4-ethylcyclohexane

(iv) 2 – (2 -Chlorophenyl) -1 -iodooctane

(v) 2 – Bromobutane

(vi) 4 – tert – Butyl -3 -iodoheptane

(vii) 1-Bromo-4-sec-butyl-2-methylbenzene

(viii) 1 ,4 – Dibromobut – 2 – ene

3. Write the equations for the preparation of 1-iodobutane from 

(i) 1-butanol 

(ii) 1-chlorobutane 

(iii) but-1-ene. 6.8 

4. What are ambident nucleophiles? Explain with an example.

5. Predict all the alkenes that would be formed by dehydrohalogenation of the following halides with sodium ethoxide in ethanol and identify the major alkene: 

(i) 1-Bromo-1-methylcyclohexane 

(ii) 2-Chloro-2-methylbutane 

(iii) 2,2,3-Trimethyl-3-bromopentane. 

6. How will you bring about the following conversions? 

(i) Ethanol to but-1-yne 

(ii) Ethane to bromoethene 

(iii) Propene to 1-nitropropane 

(iv) Toluene to benzyl alcohol 

(v) Propene to propyne 

(vi) Ethanol to ethyl fluoride 

(vii) Bromomethane to propanone 

(viii) But-1-ene to but-2-ene 

(ix) 1-Chlorobutane to n-octane 

(x) Benzene to biphenyl. 

7. Explain why 

(i) the dipole moment of chlorobenzene is lower than that of cyclohexyl chloride? 

(ii) alkyl halides, though polar, are immiscible with water? 

(iii) Grignard reagents should be prepared under anhydrous conditions. 

8. Give the uses of freon 12, DDT, carbon tetrachloride and iodoform. 

9. The treatment of alkyl chlorides with aqueous KOH leads to the formation of alcohols but in the presence of alcoholic KOH, alkenes are major products. Explain.

10. What happens when

i) n-butyl chloride is treated with alcoholic KOH,

(ii) bromobenzene is treated with Mg in the presence of dry ether,

(iii) chlorobenzene is subjected to hydrolysis,

(iv) ethyl chloride is treated with aqueous KOH,

(v) methyl bromide is treated with sodium in the presence of dry ether,

(vi) methyl chloride is treated with KCN?

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• NCERT Solutions For Class 12 Chemistry Chapter-6 Haloalkanes And Haloarenes

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