P-block Elements MCQ – Group 15 Elements MCQ

• Topic: Group 15 Elements
• Chapter: P-block Elements
• Number of Questions: 10
• Target: Class 12th Board Exam

Let’s Start

1. As we go down the group, metallic character

1. Decreases.
2. Increases.
3. Remains same.
4. None of these.

2. Covalent radii ____________ in size down the group.

1. Increases.
2. Decreases.
3. Remains same.
4. First increase and then decrease.

3. Ionisation enthalapy ____________ down the group.

1. Increases.
2. Remains constant.
3. Decreases.
4. None of these

4. The electronegativity value

1. Increases down the group.
2. Decreases down the group.
3. Remains same.
4. None of these.

5. Which element of Group 15 doesn’t show allotropy

1. Arsenic.
2. Phosphorous.
3. Bismuth.
4. Nitrogen.

6. Nitrogen doesn’t form pentahalide due to non-availability of

1. s orbital.
2. p orbital.
3. d orbital
4. None of these.

7. The correct order of Basicity is

1. BiH₃>SbH₃>AsH₃>PH₃>NH₃.
2. NH₃>PH₃>AsH₃>SbH₃>BiH₃.
3. PH₃>NH₃>BiH₃>SbH₃>AsH₃.
4. None of these

8. The tendency to exhibit -3 oxidation state ____________ down the group.

1. Decreases.
2. Increases.
3. Remains same.
4. None of these.

9. Nitrogen is restricted to a maximum covalency of

1. 5
2. 2
3. 4
4. 3

10. The stability of hydrides from NH₃ to BiH₃ is

1. Increases.
2. Decreases.
3. Remains same.
4. None of these.