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)

Q_1_i_Secondary Alkyl Halide

2-Chloro-3-Methylbutane

(Secondary Alkyl Halide)

(ii)

Q_1_ii_Secondary Alkyl Halide

3-chloro-4-methyhexane

(Secondary alkyl halide)

(iii)

Q_1_iii_Primry Alkyl Halide

1-Iodo-2,2-dimethylbutane

(Primary Alkyl Halide)

(iv)

Q_1_iv_Seconarry Benzy Halide

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

(Secondary Benzyl Halide)

(v)

Q_1_v_Seconarry Alkyl Halide

2-Bromo-3-methybutane)

(Secondary alkyl halide)

(vi)

Q_1_vi_Primary Alkyl Halide

1 βˆ’ Bromo βˆ’ 2 βˆ’ ethyl βˆ’ 2 βˆ’ methylbutane

(Primary alkyl halide)

(vii)

Q_1_vii_Tertiary Alkyl Halide

3 βˆ’ Chloro βˆ’ 3 βˆ’ methylpentane

(Tertiary alkyl halide)

(viii)

Q_1_viii_Vinyl Halide

3 βˆ’ Chloro βˆ’ 5 βˆ’ methylhex βˆ’ 2 βˆ’ ene

(Vinyl halide)

(ix)

Q_1_xi_Allyl Halide

4 βˆ’ Bromo βˆ’ 4 βˆ’ methylpent βˆ’ 2 βˆ’ ene

(Allyl halide)

(x)

Q_1_x_Allyl Halide

1 βˆ’ Chloro βˆ’ 4 βˆ’ (2 βˆ’ methylpropyl) benzene

(Aryl halide)

(xi)

Q_1_xi_Primary Benzyl Halide

1 βˆ’ Chloromethyl βˆ’ 3 βˆ’ (2,2 βˆ’ dimethylpropyl) benzene

(Primary benzyl halide)

(xii)

Q_1_xii_Aryl Halide

1 βˆ’ Bromo βˆ’ 2 βˆ’ (1 βˆ’ methylpropyl) benzene

(Aryl halide)