1. Which molecule contain a carbon carbon double bond
a. ethane
b. ethene
c. ethyne
d. ethyl alcohol
2. Which product is obtained when chloromethane is reduced
a. ethane
b. ethene
c. methane
d.ethyne
3. Which reacts explosively with methane
a. F2
b. Cl2
c. Br2
d. I2
4. By dehydration, we means the removal of
a. hydrogen
b. water
c. halogen
d. hydrogen halide
5. Ethene and ethyne can be differentiated by
a. hydrogenation
b. bromine water
c. strong alkaline aq solution of KMnO4
d. hydrohalogenation
6. Which is used for dehydrohalogenation
a. Br2 water
b. Conc H2SO4
c. Al2O3
d. Alcoholic KOH
7. Which substance reacts with KMnO4 to produce oxalic acid
a. ethane
b. ethene
c. ethyne
d. ethyl alcohol
8. Reduction of alkyl halides takes place in the presence of
a. Al2O3 at 350oC
b. Conc H2SO4 at 170oC
c. Zn + Dust
d. Zn + HCl
9. Which process produces an alkane
a. combustion
b. hydration
c.dehydration
d. hydrogenation
10. Which of following does not react with aqueous solution of bromine
a. C2H6
b. C2H2
c. C2H4
d. C3H6
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