Explore topic-wise MCQs in Chemistry.

This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry knowledge and support exam preparation. Choose a topic below to get started.

1.

Identify the coordination sphere in the compound K4[Fe(CN)6].

A. K<sup>+</sup>
B. Fe<sup>2+</sup>
C. [Fe(CN)<sub>6</sub>]<sup>4-</sup>
D. CN<sup> </sup>
Answer» D. CN<sup> </sup>
Discussion
2.

What is the coordination number of chromium in K3[Cr(C2O4)3]?

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

Coordination number is a characteristic of which of the following?

A. Central atom
B. Ligand
C. Coordination entity
D. Coordination compound
Answer» B. Ligand
Discussion
4.

The SCN ion is a unidentate ligand.

A. True
B. False
Answer» B. False
Discussion
5.

A protein can exist in a coordination entity as a ligand.

A. True
B. False
Answer» B. False
Discussion
6.

How many donor atoms can EDTA4- ligand bind through?

A. 2
B. 4
C. 6
D. 8
Answer» D. 8
Discussion
7.

Which of the following cannot be a ligand?

A. Ni<sup>2+</sup>
B. Cl<sup> </sup>
C. H<sub>2</sub>O
D. NH<sub>3</sub>
Answer» B. Cl<sup> </sup>
Discussion
8.

Which of the following is the central atom/ion in [CoCl(NH3)5]2+?

A. Co
B. Co<sup>2+</sup>
C. Co<sup>3+</sup>
D. Cl<sup> </sup>
Answer» D. Cl<sup> </sup>
Discussion
9.

Identify the Lewis acid in K3[Al(C2O4)3].

A. K<sup>+</sup>
B. Al
C. Al<sup>3+</sup>
D. [Al(C<sub>2</sub>O<sub>4</sub>)<sub>3</sub>]<sup>3-</sup>
Answer» D. [Al(C<sub>2</sub>O<sub>4</sub>)<sub>3</sub>]<sup>3-</sup>
Discussion
10.

The central atom/ion of a coordination complex is also referred to as ________

A. Lewis acid
B. Lewis base
C. Bronsted-Lowry acid
D. Bronsted-Lowry base
Answer» B. Lewis base
Discussion
11.

Which of the following is the coordination entity in K2[Zn(OH)4]?

A. K<sup>+</sup>
B. Zn<sup>2+</sup>
C. OH<sup> </sup>
D. [Zn(OH)<sub>4</sub>]<sup>2-</sup>
Answer» E.
Discussion