Explore topic-wise MCQs in Engineering Chemistry.

This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Chemistry knowledge and support exam preparation. Choose a topic below to get started.

1.

The sufficient condition for showing optical activity is _______________

A. Molecule should have measurable amount of optical activity only
B. Polarimeter should have capacity of recording low-degree optical activity only
C. Chirality of molecule as a whole only
D. Both, the molecule should have measurable amount of optical activity and polarimeter should have capacity of recording low-degree optical activity
Answer» E.
Discussion
2.

The necessary condition for showing optical activity is the chirality of a molecule as a whole.

A. True
B. False
Answer» B. False
Discussion
3.

Find the number of stereoisomers for CH3 CHOH CH = CH CH3.

A. 1
B. 2
C. 3
D. 4
Answer» E.
Discussion
4.

For a molecule with two like chiral carbon atoms, the number of optically active form is?

A. 4
B. 3
C. 1
D. 2
Answer» E.
Discussion
5.

For a molecule with two like chiral carbon atoms, the number of optically inactive form is?

A. 1
B. 2
C. 3
D. 4
Answer» B. 2
Discussion
6.

The number of racemic forms of molecules having (n) different chiral carbons is ____________

A. 2n
B. 2<sup>n</sup>
C. 2<sup>n-1</sup>
D. 2<sup>n+1</sup>
Answer» D. 2<sup>n+1</sup>
Discussion
7.

The number of configurational isomers of molecules having (n) different chiral carbons is ____________

A. 2n
B. 2<sup>n</sup>
C. 2<sup>n-1</sup>
D. 2<sup>n+1</sup>
Answer» C. 2<sup>n-1</sup>
Discussion