CBSE - Class 12 Chemistry Haloalkanes and Haloarenes Worksheet
1.
Write the structure of the major organic product in each of the following reactions:
2.
p-Dichlorobenzene has higher m.p. than those of o- and m-isomers. Discuss.
3.
Name the following halides according to IUPAC system and classify them as alkyl, allyl, benzyl (primary, secondary, tertiary), vinyl or aryl halides: (i) \((CH_{3})_{2}CHCH(Cl)CH_{3}\)
4.
Give the IUPAC names of the following compounds: (i) \(CH_{3}CH(Cl)CH(Br)CH_{3}\)
5.
Write the equations for the preparation of 1-iodobutane from (ii) 1-chlorobutane
6.
Give the IUPAC names of the following compounds: (iii) \(ClCH_{2}C\equiv CCH_{2}Br\)
7.
Explain why (ii) alkyl halides, though polar, are immiscible with water?
8.
How the following conversions can be carried out? (xi) Ethyl chloride to propanoic acid
9.
How will you bring about the following conversions? (iv) Toluene to benzyl alcohol
10.
Write the equations for the preparation of 1-iodobutane from (i) 1-butanol
11.
Give the IUPAC names of the following compounds: (ii) \(CHF_{2}CBrClF\)
12.
How the following conversions can be carried out? (xvii) Chloroethane to butane
13.
Name the following halides according to IUPAC system and classify them as alkyl, allyl, benzyl (primary, secondary, tertiary), vinyl or aryl halides: (iii) \(CH_{3}CH_{2}C(CH_{3})_{2}CH_{2}I\)
14.
How will you bring about the following conversions? (v) Propene to propyne
15.
What happens when (v) methyl bromide is treated with sodium in the presence of dry ether,
16.
Out of \(C_{6}H_{5}CH_{2}Cl\) and \(C_{6}H_{5}CHClC_{6}H_{5}\), which is more easily hydrolysed by aqueous KOH.
17.
Explain why (i) the dipole moment of chlorobenzene is lower than that of cyclohexyl chloride?
18.
Write the structures of the following organic halogen compounds. (vii) 1-Bromo-4-sec-butyl-2-methylbenzene
19.
Name the following halides according to IUPAC system and classify them as alkyl, allyl, benzyl (primary, secondary, tertiary), vinyl or aryl halides: (ix) \(CH_{3}CH=CHC(Br)(CH_{3})_{2}\)
20.
How the following conversions can be carried out? (xviii) Benzene to diphenyl
