Hydrocarbons MCQs : This section focuses on the "Hydrocarbons" in Chemistry Class 11. These Multiple Choice Questions (MCQs) should be practiced to improve the Chemistry Class 11 skills required for various exams, interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
Question 1
Hydrocarbons are organic compounds that are entirely made up of only _______ kinds of atoms.
A. 1
B. 2
C. 3
D. 4
Question 2
hydrocarbons are colourless gases
A. TRUE
B. FALSE
C. Can be true or false
D. Can not say
Question 3
The molecular formula for these compounds is?
A. CxHyOz
B. Cx
C. Hy
D. CxHy
Question 4
Older chemists classified hydrocarbons as either?
A. aliphatic
B. aromatic
C. Both A and B
D. None of the above
Question 5
Which hydrocarbons possess one or multiple carbon rings?
A. Aromatic Hydrocarbons
B. Cycloalkanes
C. Aliphatic Hydrocarbons
D. Unsaturated Hydrocarbons
Question 6
Aromatic Hydrocarbons are also called as arenes.
A. TRUE
B. FALSE
C. Can be true or false
D. Can not say
Question 7
Choose the process by which liquid hydrocarbons can be converted to gaseous hydrocarbons
A. hydrolysis
B. oxidation
C. distillation under reduced pressure
D. cracking
Question 8
Which one of the following halide can be used in the Friedel-Crafts reaction?
A. Bromobenzene
B. Isopropyl chloride
C. Chlorobenzene
D. Chloroethene
Question 9
Isopropyl iodide is formed after reaction of propene with HI, this is due to
A. more stable free radical
B. homolysis
C. more stable carbanion
D. more stable carbocation
Question 10
The alkanes can be produced from alkenes or alkynes through hydrogenation
A. Yes
B. No
C. Can be yes or no
D. Can not say