Chemistry Class 12 NCERT Solutions: Chapter 10 Haloalkanes and Haloarenes Part 1 (For CBSE, ICSE, IAS, NET, NRA 2023)

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

(i)

(ii)

(iii)

(iv)

(v)

(vi)

(vii)

(viii)

(ix)

(x)

(xi)

(xii)

Answer:

(i)

2-Chloro-3-Methylbutane

(Secondary Alkyl Halide)

(ii)

3-chloro-4-methyhexane

(Secondary alkyl halide)

(iii)

1-Iodo-2,2-dimethylbutane

(Primary Alkyl Halide)

(iv)

1-Bromo-3,3-dimethyl-1-phenylbuuutane

(Secondary Benzyl Halide)

(v)

2-Bromo-3-methybutane)

(Secondary alkyl halide)

(vi)

1 − Bromo − 2 − ethyl − 2 − methylbutane

(Primary alkyl halide)

(vii)

3 − Chloro − 3 − methylpentane

(Tertiary alkyl halide)

(viii)

3 − Chloro − 5 − methylhex − 2 − ene

(Vinyl halide)

(ix)

4 − Bromo − 4 − methylpent − 2 − ene

(Allyl halide)

(x)

1 − Chloro − 4 − (2 − methylpropyl) benzene

(Aryl halide)

(xi)

1 − Chloromethyl − 3 − (2,2 − dimethylpropyl) benzene

(Primary benzyl halide)

(xii)

1 − Bromo − 2 − (1 − methylpropyl) benzene

(Aryl halide)