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Inorganic Chemistry: p-Block Elements - SS3 Chemistry Past Questions and Answers - page 1

1

Which element in Group 15 has the highest electronegativity?

 

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A

Nitrogen (N)

 

B

Phosphorus (P)

 

C

Arsenic (As)

 

D

Antimony (Sb)

 

2

Which Group 15 element is commonly used in fertilisers due to its essential role in plant growth?

 

View related lesson
A

Nitrogen (N)

 

B

Phosphorus (P)

 

C

Arsenic (As)

 

D

Antimony (Sb)

 

E
Bismuth (Bi)
3

Among the Group 15 elements, which one exists in multiple allotropes, including white, red, and black forms?

 

View related lesson
A

Nitrogen (N)

 

B

Phosphorus (P)

 

C

Arsenic (As)

 

D

Antimony (Sb)

 

E
Bismuth (Bi)
4

Which Group 15 element is commonly used in the production of semiconductors and electronic devices?

 

View related lesson
A

Nitrogen (N)

 

B

Phosphorus (P)

 

C

Arsenic (As)

 

D

Antimony (Sb)

 

E
Bismuth (Bi)
5

The most common oxidation state exhibited by Group 15 elements is:

 

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A

+1

 

B

+2

 

C

+3

 

D

+4

 

E
+5
6

Which element in Group 16 is a non-metal, essential for respiration in living organisms, and forms diatomic molecules?

 

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A

Oxygen (O)

 

B

Sulphur (S)

 

C

Selenium (Se)

 

D

Tellurium (Te)

 

E
Polonium (Po)
7

This Group 16 element is commonly found in the form of hydrogen sulphide (H2S) gas and is responsible for the characteristic smell of rotten eggs.

 

View related lesson
A

Oxygen (O)

 

B

Sulphur (S)

 

C

Selenium (Se)

 

D

Tellurium (Te)

 

E
Polonium (Po)
8

Which Group 16 element is a semiconductor, with properties that are intermediate between metals and nonmetals?

 

View related lesson
A

Oxygen (O)

 

B

Sulphur (S)

 

C

Selenium (Se)

 

D

Tellurium (Te)

 

E
Polonium (Po)
9

This Group 16 element is used in photocopiers and as a red pigment in glass and ceramics.

 

View related lesson
A

Oxygen (O)

 

B

Sulphur (S)

 

C

Selenium (Se)

 

D

Tellurium (Te)

 

E
Polonium (Po)
10

The oxidation state most commonly exhibited by Group 16 elements is:

 

View related lesson
A

-1

 

B

0

 

C

+1

 

D

+2

 

E
-2