Explore topic-wise MCQs in Engineering Chemistry.

This section includes 5 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 interaction between a pair of orbitals of the same type is _________

A. Attractive
B. Repulsive
C. There is no interaction
D. None of the mentioned
Answer» C. There is no interaction
Discussion
2.

The combination of H (1s1) and F (2px1) gives _________

A. Bonding orbital
B. Antibonding orbital
C. Both bonding and antibonding orbital
D. None of the mentioned
Answer» D. None of the mentioned
Discussion
3.

Calculate the number of and bonds in cyclohexadiene. (C6H8)

A. bond = 2, bond = 14
B. bond = 14, bond = 2
C. bond = 12, bond = 2
D. bond = 12, bond = 4
Answer» C. bond = 12, bond = 2
Discussion
4.

The molecular orbital electronic configuration of HF molecule is _________

A. 1s<sup>2</sup> 2s<sup>2</sup> <sub>spx</sub><sup>2</sup> [2<sub>py</sub><sup>2</sup> 2<sub>pz</sub><sup>2</sup>] <sub>spx</sub>*
B. 1s<sup>2</sup> 2s<sup>2</sup> <sub>spx</sub><sup>2</sup> [2<sub>px</sub><sup>2</sup> 2<sub>py</sub><sup>2</sup>] <sub>spx</sub>*
C. 1s<sup>2</sup> 2s<sup>2</sup> <sub>spx</sub><sup>2</sup> [2<sub>px</sub><sup>2</sup> 2<sub>pz</sub><sup>2</sup>] <sub>spx</sub>*
D. 1s<sup>2</sup> 2s<sup>2</sup> <sub>spx</sub><sup>2</sup> [2<sub>px</sub><sup>4</sup>] <sub>spx</sub>*
Answer» B. 1s<sup>2</sup> 2s<sup>2</sup> <sub>spx</sub><sup>2</sup> [2<sub>px</sub><sup>2</sup> 2<sub>py</sub><sup>2</sup>] <sub>spx</sub>*
Discussion
5.

Bond order of NO+ molecule is _________

A. 2
B. 3
C. 2.5
D. 4
Answer» C. 2.5
Discussion