Worksheet Unsolved Haloalkanes

 Name the following halides according to 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)CH2CH

Answers 

Here are the classifications for the provided compounds as alkyl, allyl, benzyl, vinyl, or aryl halides, along with their designations as primary, secondary, or tertiary:

Classifications

1. (i) (CH₃)₂CHCH(Cl)CH₃

Classification: Alkyl halide

Type: Secondary halide (the carbon with Cl is attached to two other carbon atoms)

Reason: The chlorine is attached to a carbon that is bonded to two other carbon atoms.

2. (ii) CH₃CH₂CH(CH₃)CH(C₂H₅)Cl

Classification: Alkyl halide

Type: Secondary halide

Reason: The carbon with the Cl is attached to two other carbons (one ethyl and one propyl), making it secondary.

3. (iii) CH₃CH₂C(CH₃)₂CH₂I

Classification: Alkyl halide

Type: Tertiary halide

Reason: The carbon with the iodine is bonded to three other carbon atoms (two from methyl groups and one from the ethyl group).

4. (iv) (CH₃)₃CCH₂CH(Br)C₆H₅

Classification: Alkyl halide

Type: Secondary halide

Reason: The carbon attached to bromine is bonded to two other carbons (one from the benzyl and one from the chain).

5. (v) CH₃CH(CH₃)CH(Br)CH₃

Classification: Alkyl halide

Type: Secondary halide

Reason: The carbon with bromine is attached to two other carbons, making it secondary.

6. (vi) CH₃C(C₂H₅)₂CH₂Br

Classification: Alkyl halide

Type: Tertiary halide

Reason: The carbon with bromine is attached to three other carbon atoms (two ethyl groups and one methyl group).

7. (vii) CH₃C(Cl)(C₂H₅)CH₂CH₃

Classification: Alkyl halide

Type: Tertiary halide

Reason: The carbon with chlorine is attached to three other carbon atoms (one ethyl and two from the methyl groups).

8. (viii) CH₃CH=C(Cl)CH₂CH(CH₃)₂

Classification: Allyl halide

Type: Secondary halide

Reason: The carbon with chlorine is adjacent to a double bond and attached to two other carbon atoms.

9. (ix) CH₃CH=CHC(Br)(CH₃)₂

Classification: Allyl halide

Type: Tertiary halide

Reason: The carbon with bromine is adjacent to a double bond and attached to three other carbon atoms (two from methyl groups).

10. (x) p-ClC₆H₄CH₂CH(CH₃)₂

Classification: Benzyl halide

Type: Primary halide

Reason: The chlorine is bonded to a benzene ring and the carbon attached to the Cl is bonded to only one other carbon.

11. (xi) m-ClCH₂C₆H₄CH₂C(CH₃)₃

Classification: Benzyl halide

Type: Primary halide

Reason: The carbon attached to chlorine is connected to one other carbon atom and is part of a chain leading to a benzene ring.

12. (xii) o-Br-C₆H₄CH(CH₃)CH₂CH

Classification: Benzyl halide

Type: Secondary halide

Reason: The carbon with bromine is connected to the benzene ring and is

 bonded to two other carbon atoms.

Let me know if you need further clarifications or more information!