Explore topic-wise MCQs in Organic Chemistry.

This section includes 5 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.

WHICH_OF_THE_FOLLOWING_STATEMENTS_MOST_ACCURATELY_DESCRIBES_THE_STEREOCHEMISTRY_BETWEEN_THE_VARIOUS_CYCLOHEXANES??$

A. Cis-1,2-dichlorocyclohexane and trans-1,2-dichlorocyclohexane rotate plane-polarized light in opposite directions, and together in equal proportions form a racemic mixture
B. The diaxial and diequatorial forms of trans-1,3-dichlorohexane can be separated by their differing physical properties
C. Only cis-1,4-dichlorocyclohexane is achiral due to a plane of symmetry, and cis-1,4-dichlorocyclohexane is diastereomeric to trans-1,4-dichlorocyclohexane
D. The conformational isomers of trans-1,2-dichlorocyclohexane are enantiomers, which are not interconvertible, but resolvable
Answer» E.
Discussion
2.

What is the molecular formula for the alkane of smallest molecular weight which possesses a stereogenic center?

A. C<sub>4</sub>H<sub>10</sub>
B. C<sub>5</sub>H<sub>12</sub>
C. C<sub>6</sub>H<sub>14</sub>
D. C<sub>7</sub>H<sub>16</sub>
Answer» E.
Discussion
3.

Which of the following is an alkane which can exhibit optical activity?

A. Neopentane
B. Isopentane
C. 3–Methylpentane
D. 3–Methylhexane
Answer» E.
Discussion
4.

Which of the following can make difference in optical isomers?

A. heat
B. temperature
C. polarized light
D. pressure
Answer» D. pressure
Discussion
5.

Compounds which have different arrangements of atoms in space while having same atoms bonded to each other are said to have

A. position isomerism
B. functional group isomerism
C. chain isomerism
D. stereoisomerism
Answer» E.
Discussion