Top 150+ Solved Alkane MCQ Questions Answer
Q. The shape of methane molecule is………..
a. Linear
b. Trigonal planar
c. Square planar
d. Tetrahedral
Q. . Which of the following shows only one brominated compound…………
a. Butene-2
b. 2, 2-dimethylpropane
c. Butyne-1
d. Butanol-3
Q. Kerosene is used as fuel because it is………….
a. Less volatile
b. More volatile
c. Cheap
d. Abundantly available
Q. Which of the following statements is not true for ethane………….
a. It can be chlorinated with chlorine
b. It can be catalytically hydrogenated
c. When oxidised produces CO2 and H2O
d. It is a homologue of iso-butane
Q. Petroleum refining is ……………
a. Distillation of petroleum to get different fractions
b. Obtaining aromatic compounds from aliphatic compounds present in petroleum
c. Cracking of petroleum to get gaseous hydrocarbons
d. Purification of petroleum
Q. The chemical added to leaded petrol to prevent the deposition of lead in the combustion chamberis……
a. Iso-octane
b. Ethylene dibromide
c. Tetraethyl lead
d. Mercaptan
Q. In the commercial gasolines, the type of hydrocarbons which are more desirable is………..
a. Branched hydrocarbon
b. Straight-chain hydrocarbon
c. Linear unsaturated hydrocarbon
d. Toluene
Q. Which of the following is not formed by the reaction of Cl2 on CH4 in sunlight……….
a. CHCl3
b. CH3Cl
c. CH3CH3
d. CH3CH2CH3
Q. Which of the following has the highest boiling point………..
a. Neopentane
b. n-butane
c. n-heptane
d. Isobutane
Q. Which gives CH4 when treated with water……..
a. Silicon carbide
b. Calcium carbide
c. Aluminium carbide
d. Iron carbide
Q. Which of the following compounds is insoluble even in hot concentrated H2SO4………
a. Ethylene
b. Benzene
c. Hexane
d. Aniline
Q. A reaction between methyl magnesium bromide and ethyl alcohol gives……….
a. Methane
b. Ethane
c. Propane
d. Butane
Q. Methane and ethane both can be obtained in single step from …………
a. CH3 I
b. C2H5I
c. CH3OH
d. C2H5OH