Previous Year Papers

Download Solved Question Papers Free for Offline Practice and view Solutions Online.

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.

Haloalkanes and Haloarenes

Short Answer Type

61. What happens when chlorobenzene is heated with sodium and chloromethane in ether?

421 Views

62.

A hydrocarbon C₅H₁₂ gives only one chlorination product. Identify the hydrocarbon.

857 Views

63.

Which compound in each of the following pairs will react faster in S_N2 reaction with HO^–?
(a) CH₃—Br or CH₃I
(b) (CH₃)₃ Cl or CH₃Cl₂(c) CH₂=CHBr or CH₂ = CH—CH₂Br.

265 Views

64. Write the structure of the following compounds halides.
(a) 2-Bromo-2-methyl propane
(b) 2-chloro-2-methyl propane
(c) 2-Bromo-3-methylbutane.

130 Views

65. Arrange the following to the increasing order of boiling point
(i)

(ii) CH₃CHCH₂CH₃

(iii) CH₃CH₂CH₂CH₂Br

(iv) (CH₃)₃ C—Cl

290 Views

66. Predict all the alkenes that would be formed by dihydrohalogenation of the following halides with sodium ethoxide in ethanol and identify the major alkene:
1-bromo-1 methyl cyclohexane.

In the 1-bromo-1-methylcyclohexane, all b -hydrogen atom are equivalent. Thus, dehydrohalogenation of this compound gives only one alkene as follows:

130 Views

67. Predict all the alkenes that would be formed by dihydrohalogenation of the following halides with sodium ethoxide in ethanol and identify the major alkene:
2-Chloro-2-methylbutane

145 Views

68. Predict all the alkenes that would be formed by dihydrohalogenation of the following halides with sodium ethoxide in ethanol and identify the major alkene:
2, 2, 3-trimethyl-3-bromopentane.

160 Views

69. Predict all the alkenes that would be formed by dihydrohalogenation of the following halides with sodium ethoxide in ethanol and identify the major alkene:
Cyclo hexyl methyl bromide.

94 Views

70. Predict all the alkenes that would be formed by dihydrohalogenation of the following halides with sodium ethoxide in ethanol and identify the major alkene:
3-bromo-1-ene.

219 Views

Previous Year Papers

Test Series

Test Yourself

Short Answer Type

66. Predict all the alkenes that would be formed by dihydrohalogenation of the following halides with sodium ethoxide in ethanol and identify the major alkene:1-bromo-1 methyl cyclohexane.

66. Predict all the alkenes that would be formed by dihydrohalogenation of the following halides with sodium ethoxide in ethanol and identify the major alkene:
1-bromo-1 methyl cyclohexane.