Chemistry Class 12 NCERT Solutions: Chapter 10 Haloalkanes and Haloarenes Part 1

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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

Q 1 I Secondary Alkyl Halide

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2-Chloro-3-Methylbutane

(Secondary Alkyl Halide)

(ii)

Q 1 ii Secondary Alkyl Halide

Q 1 II Secondary Alkyl Halide

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3-chloro-4-methyhexane

(Secondary alkyl halide)

(iii)

Q 1 iii Primry Alkyl Halide

Q 1 III Primry Alkyl Halide

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1-Iodo-2, 2-dimethylbutane

(Primary Alkyl Halide)

(iv)

Q 1 iv Seconarry Benzy Halide

Q 1 IV Seconarry Benzy Halide

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

(Secondary Benzyl Halide)

(v)

Q 1 v Seconarry alkyl Halide

Q 1 V Seconarry Alkyl Halide

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2-Bromo-3-methybutane)

(Secondary alkyl halide)

(vi)

Q 1 vi Primary Alkyl Halide

Q 1 VI Primary Alkyl Halide

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1−Bromo−2−ethyl−2−methylbutane

(Primary alkyl halide)

(vii)

Q 1 vii Tertiary alkyl Halide

Q 1 VII Tertiary Alkyl Halide

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3−Chloro−3−methylpentane

(Tertiary alkyl halide)

(viii)

Q 1 viii Vinyl Halide

Q 1 VIII Vinyl Halide

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3−Chloro−5−methylhex−2−ene

(Vinyl halide)

(ix)

Q 1 xi Allyl Halide

Q 1 XI Allyl Halide

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4−Bromo−4−methylpent−2−ene

(Allyl halide)

(x)

Q 1 x Allyl Halide

Q 1 X Allyl Halide

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1−Chloro−4−(2−methylpropyl) benzene

(Aryl halide)

(xi)

Q 1 xi Primary Benzyl Halide

Q 1 XI Primary Benzyl Halide

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

(Primary benzyl halide)

(xii)

Q 1 xii Aryl Halide

Q 1 XII Aryl Halide

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1−Bromo−2−(1−methylpropyl) benzene

(Aryl halide)