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.

Which of the following is not poisonous?

A. H<sub>2</sub>O
B. H<sub>2</sub>S
C. H<sub>2</sub>Se
D. H<sub>2</sub>Te
Answer» B. H<sub>2</sub>S
2.

What is the correct order of reactivity of group 16 elements?

A. O &gt; Se &gt; S &gt; Te &gt; Po
B. S &gt; O &gt; Te &gt; Po &gt; Se
C. S &gt; O &gt; Se &gt; Te &gt; Po
D. O &gt; S &gt; Se &gt; Te &gt; Po
Answer» E.
3.

Which of the following is a photosensitive element?

A. S
B. Se
C. O
D. Po
Answer» C. O
4.

What is the most reactive element of group 16?

A. Oxygen
B. Sulphur
C. Tellurium
D. Selenium
Answer» B. Sulphur
5.

Which group 16 element has 8 allotropic forms?

A. Sulphur
B. Oxygen
C. Selenium
D. Polonium
Answer» D. Polonium
6.

Which group 16 element has the highest tendency for catenation?

A. Oxygen
B. Sulphur
C. Selenium
D. Polonium
Answer» C. Selenium
7.

Which of the following does not exist as an octatomic solid?

A. Sulphur
B. Tellurium
C. Selenium
D. Oxygen
Answer» E.
8.

Which group 16 element is the most electronegative?

A. Sulphur
B. Polonium
C. Oxygen
D. Selenium
Answer» D. Selenium
9.

Which of the following statements regarding group 16 elements is not true?

A. The electronic configuration of Oxygen is [He]2s<sup>2</sup>2p<sup>4</sup>
B. The electronic configuration of Sulphur is [Ne]3s<sup>2</sup>3p<sup>4</sup>
C. The atomic radii of the elements of group 16 are larger than those of the corresponding elements of group 15
D. The electronic configuration of Tellurium is [Kr]4d<sup>10</sup>5s<sup>2</sup>5p<sup>4</sup>
Answer» D. The electronic configuration of Tellurium is [Kr]4d<sup>10</sup>5s<sup>2</sup>5p<sup>4</sup>
10.

What is the general outer electronic configuration of the Oxygen family?

A. ns<sup>2</sup>np<sup>4</sup>
B. ns<sup>2</sup>np<sup>3</sup>
C. ns<sup>2</sup>np<sup>5</sup>
D. ns<sup>2</sup>np<sup>2</sup>
Answer» B. ns<sup>2</sup>np<sup>3</sup>
11.

Ozone is an allotrope of Oxygen.

A. True
B. False
Answer» B. False
12.

Which is the most abundant group 16 element?

A. Oxygen
B. Sulphur
C. Selenium
D. Tellurium
Answer» B. Sulphur
13.

Which of the following elements does not belong to group 16 of the periodic table?

A. Oxygen
B. Phosphorus
C. Sulphur
D. Selenium
Answer» C. Sulphur
14.

Group 16 elements are also called Chalcogens.

A. True
B. False
Answer» B. False