Explore topic-wise MCQs in Organic Chemistry.

This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Organic Chemistry knowledge and support exam preparation. Choose a topic below to get started.

1.

An alkane with 6 carbon atoms will have how many hydrogen atoms?

A. 11
B. 12
C. 13
D. 14
Answer» E.
Discussion
2.

Liquified petroleum gas is mainly composed of _____________

A. Methane and ethane
B. Ethane and propane
C. Propane and butane
D. Butane and hexane
Answer» D. Butane and hexane
Discussion
3.

Select the incorrect statement regarding the boiling points of alkanes.

A. Boiling point increases with stronger Vander Waal s forces
B. Surface area is the only factor which determines the boiling point of alkane
C. Boiling point of straight chain alkanes is greater than that of branched chain alkanes
D. The boiling point of cycloalkanes is always higher than that of linear alkanes
Answer» C. Boiling point of straight chain alkanes is greater than that of branched chain alkanes
Discussion
4.

The other name for branched chain alkanes is _____________

A. Paraffins
B. Isoparaffins
C. Neoparaffins
D. Naphthenes
Answer» C. Neoparaffins
Discussion
5.

Which among the following is not an alkane isomer with 6 carbon atoms?

A. Hexane
B. 2,3-dimethylbutane
C. 2,2-dimethylbutane
D. Neopentane
Answer» E.
Discussion
6.

Select the minimum number of carbon atoms, a molecule must possess so as to be regarded as a higher alkane.

A. 15
B. 16
C. 17
D. 18
Answer» D. 18
Discussion
7.

Identify the simplest alkane.

A. Methane
B. Methene
C. Ethane
D. Ethene
Answer» B. Methene
Discussion
8.

Select the incorrect statement regarding alkanes.

A. It is otherwise known as Paraffin
B. It is an acyclic saturated hydrocarbon
C. In alkanes, C-C bonds are single
D. Alkanes have the general formula C<sub>n</sub>H<sub>2n</sub>
Answer» E.
Discussion