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.

The optical isomer that rotates the plane of polarised in the clockwise direction is called ______

A. trans
B. dextro
C. mer
D. laevo
Answer» C. mer
2.

Optical isomers are also known as __________

A. structural isomers
B. facial isomers
C. meridional isomers
D. enantiomers
Answer» E.
3.

Which of the following compounds has a meridional isomer?

A. [Fe(NO)<sub>5</sub>Br]<sup>+</sup>
B. [Al(CO)<sub>3</sub>(NO<sub>2</sub>)<sub>3</sub>]
C. [K(NH)<sub>3</sub>)<sub>4</sub>(NO)<sub>2</sub>]<sup>+</sup>
D. [Fe(H<sub>2</sub>O)<sub>2</sub>(CO)<sub>2</sub>(NO)<sub>2</sub>]<sup>3+</sup>
Answer» C. [K(NH)<sub>3</sub>)<sub>4</sub>(NO)<sub>2</sub>]<sup>+</sup>
4.

In the coordination entity [Co(NH3)3(NO2)3], if all three N atoms of the amine ligands occupy adjacent positions at the corners of an octahedral face, the geometrical isomer formed is known as _______ isomer.

A. cis
B. trans
C. fac
D. mer
Answer» D. mer
5.

Which of the following do not show geometrical isomerism? (Assume all ligands are unidentate)

A. Square planar [MXL<sub>3</sub>]
B. Square planar [MX<sub>2</sub>L<sub>2</sub>]
C. Octahedral [MX<sub>2</sub>L<sub>4</sub>]
D. Octahedral [MX<sub>3</sub>L<sub>3</sub>]
Answer» B. Square planar [MX<sub>2</sub>L<sub>2</sub>]
6.

How many geometrical isomers are possible in a complex of type [MA2(D)2], where A is unidentate and D is didentate?

A. 0
B. 2
C. 3
D. 4
Answer» C. 3
7.

Identify the trans isomer of [Pt(NH3)2Cl2] from the following.

A. <a href="https://www.sanfoundry.com/wp-content/uploads/2020/02/chemistry-questions-answers-isomerism-coordination-compounds-1-q8a.png"><img alt="The trans isomer of [Pt(NH3)2Cl2] - option a" class="alignnone size-full wp-image-268696" height="120" src="https://www.sanfoundry.com/wp-content/uploads/2020/02/chemistry-questions-answers-isomerism-coordination-compounds-1-q8a.png" width="124"/></a>
B. <a href="https://www.sanfoundry.com/wp-content/uploads/2020/02/chemistry-questions-answers-isomerism-coordination-compounds-1-q8b.png"><img alt="The trans isomer of [Pt(NH3)2Cl2] - option b" class="alignnone size-full wp-image-268695" height="122" src="https://www.sanfoundry.com/wp-content/uploads/2020/02/chemistry-questions-answers-isomerism-coordination-compounds-1-q8b.png" width="131"/></a>
C. <a href="https://www.sanfoundry.com/wp-content/uploads/2020/02/chemistry-questions-answers-isomerism-coordination-compounds-1-q8c.png"><img alt="The trans isomer of [Pt(NH3)2Cl2] - option c" class="alignnone size-full wp-image-268694" height="123" src="https://www.sanfoundry.com/wp-content/uploads/2020/02/chemistry-questions-answers-isomerism-coordination-compounds-1-q8c.png" width="134"/></a>
D. <a href="https://www.sanfoundry.com/wp-content/uploads/2020/02/chemistry-questions-answers-isomerism-coordination-compounds-1-q8d.png"><img alt="The trans isomer of [Pt(NH3)2Cl2] - option d" class="alignnone size-full wp-image-268693" height="119" src="https://www.sanfoundry.com/wp-content/uploads/2020/02/chemistry-questions-answers-isomerism-coordination-compounds-1-q8d.png" width="138"/></a>
Answer» C. <a href="https://www.sanfoundry.com/wp-content/uploads/2020/02/chemistry-questions-answers-isomerism-coordination-compounds-1-q8c.png"><img alt="The trans isomer of [Pt(NH3)2Cl2] - option c" class="alignnone size-full wp-image-268694" height="123" src="https://www.sanfoundry.com/wp-content/uploads/2020/02/chemistry-questions-answers-isomerism-coordination-compounds-1-q8c.png" width="134"/></a>
8.

A tetrahedral compound of type [MP2Q2] has two geometrical isomers.

A. True
B. False
Answer» C.
9.

How many geometrical isomers are possible in [Al(C2o4)3]3-?

A. 0
B. 2
C. 3
D. 4
Answer» B. 2
10.

A coordination complex [MX2L2], has a CN=4 and two unidentate ligands X and L. When the two L ligands are arranged opposite to each other in its geometry, it is called _______ isomer.

A. cis
B. trans
C. fac
D. mer
Answer» B. trans
11.

Geometrical isomerism can be observed in some homoleptic complexes.

A. True
B. False
Answer» C.
12.

Which of the following is not a subdivision of structural isomerism?

A. Geometrical isomerism
B. Linkage isomerism
C. Coordination isomerism
D. Ionisation isomerism
Answer» B. Linkage isomerism
13.

Which type of isomerism exhibits compounds with same chemical formula and bonds but different spatial arrangement?

A. Optical isomerism
B. Linkage isomerism
C. Structural isomerism
D. Solvate isomerism
Answer» B. Linkage isomerism
14.

Two or more compounds that have the same chemical formula, but different arrangement of atoms are called _______

A. isotopes
B. isotones
C. isomers
D. allotropes
Answer» D. allotropes