Explore topic-wise MCQs in Chemistry.

This section includes 14 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 incorrect statement regarding VBT.

A. It does not explain the colour of coordination compounds
B. It is unreliable in the prediction of geometries of 4-coordinate complexes
C. It does not explain the kinetic stabilities of coordination compounds
D. It can distinguish between strong and weak ligands
Answer» E.
2.

The compound K4[Mn(CN)6] is diamagnetic.

A. True
B. False
Answer» C.
3.

[Co(en)2(NH3)Cl]2+ is known to be a diamagnetic complex. What is the type of hybridisation it shows?

A. dsp2
B. sp3
C. d2sp3
D. sp3d2
Answer» D. sp3d2
4.

Predict the geometry of the complex from the electronic configuration shown.

A. Linear
B. Square planar
C. Tetrahedral
D. Octahedral
Answer» B. Square planar
5.

Identify the correct geometry and magnetic behaviour of the complex from the configuration shown.

A. Square planar, diamagnetic
B. Square planar, paramagnetic
C. Tetrahedral, diamagnetic
D. Tetrahedral, paramagnetic
Answer» B. Square planar, paramagnetic
6.

Coordination entities with only three ligand groups attached to the metal ion can have d2sp3 hybridisation.

A. True
B. False
Answer» B. False
7.

Identify the magnetic nature of the complex from its electronic configuration as shown.

A. Strongly paramagnetic
B. Weakly paramagnetic
C. Diamagnetic
D. Ferromagnetic
Answer» C. Diamagnetic
8.

What is the number of unpaired electrons in [Fe(H2O)6]2+ if it is known to be a high spin complex?

A. 0
B. 2
C. 3
D. 4
Answer» E.
9.

The ferricyanide complex ion is _________

A. paramagnetic
B. outer orbital
C. spin free
D. tetrahedral
Answer» B. outer orbital
10.

Which statement regarding [Cr(NH3)6]3+ is incorrect?

A. It has octahedral geometry
B. It has d2sp3 hybridisation
C. It is diamagnetic
D. It is a low spin complex
Answer» D. It is a low spin complex
11.

A complex having _________ geometry can have more than one type of hybridisation.

A. tetrahedral
B. square planar
C. trigonal bipyramidal
D. octahedral
Answer» E.
12.

How many empty orbitals are available in the central metal ion of a complex that has a trigonal bipyramidal geometry?

A. 2
B. 3
C. 4
D. 5
Answer» E.
13.

How many types of hybridisation are possible for complexes with a coordination number of 4?

A. 1
B. 2
C. 3
D. 4
Answer» C. 3
14.

Which of the following does not explain the nature of bonding in coordination compounds?

A. Crystal Field Theory
B. Molecular Orbital Theory
C. Valence Bond Theory
D. VSEPR Theory
Answer» E.