Explore topic-wise MCQs in Chemistry.

This section includes 12 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+
B. Fe2+
C. [Fe(CN)6]4-
D. CN–
Answer» D. CN–
2.

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

A. 1
B. 2
C. 3
D. 6
Answer» E.
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
4.

The SCN– ion is a unidentate ligand.

A. True
B. False
Answer» B. False
5.

Which is the donor atom in the coordinate bond shown below?

A. N
B. O1
C. O2
D. Both N and O
Answer» B. O1
6.

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

A. True
B. False
Answer» B. False
7.

How many donor atoms can EDTA4- ligand bind through?

A. 2
B. 4
C. 6
D. 8
Answer» D. 8
8.

Which of the following cannot be a ligand?

A. Ni2+
B. Cl–
C. H2O
D. NH3
Answer» B. Cl–
9.

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

A. Co
B. Co2+
C. Co3+
D. Cl–
Answer» D. Cl–
10.

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

A. K+
B. Al
C. Al3+
D. [Al(C2O4)3]3-
Answer» D. [Al(C2O4)3]3-
11.

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
12.

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

A. K+
B. Zn2+
C. OH–
D. [Zn(OH)4]2-
Answer» E.