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 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. dsp<sup>2</sup>
B. sp<sup>3</sup>
C. d<sup>2</sup>sp<sup>3</sup>
D. sp<sup>3</sup>d<sup>2</sup>
Answer» D. sp<sup>3</sup>d<sup>2</sup>
4.

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

A. True
B. False
Answer» B. False
5.

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.
6.

The ferricyanide complex ion is _________

A. paramagnetic
B. outer orbital
C. spin free
D. tetrahedral
Answer» B. outer orbital
7.

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

A. It has octahedral geometry
B. It has d<sup>2</sup>sp<sup>3</sup> hybridisation
C. It is diamagnetic
D. It is a low spin complex
Answer» D. It is a low spin complex
8.

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

A. tetrahedral
B. square planar
C. trigonal bipyramidal
D. octahedral
Answer» E.
9.

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.
10.

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
11.

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.