Group 14 Elements

1. There will be total 10  MCQ in this test.
2. Please keep a pen and paper ready for rough work but keep your books away.
3. The test will consist of only objective type multiple choice questions requiring students to mouse-click their correct choice of the options against the related question number.
4. No negative marking for incorrect choice.
5. Please click on “Finish the Test” when you want to exit.
6. All the best – Happy Studying.

1. What is the trend of ionization energy on going from Sn to Pb?

Slight decrease

Considerable decrease

Remains same

Slight increase

Question 1 of 20

2. Which of the following oxide exists at high temperature?

GeO₂

SiO

PbO

SnO₂

Question 2 of 20

3. Silicon shows diagonal relationship with:

B

C

Be

Al

Question 3 of 20

4. Which of the following is a very important component of ceramics?

Carbon

Tin

Silicon

Germanium

Question 4 of 20

5. Which of the following is affected by water?

Tin

Silicon

Carbon

Germanium

Question 5 of 20

6. Which is the valence shell electronic configuration of group 14 elements?

ns²np⁶

ns¹np⁴

ns²np⁴

ns²np²

Question 6 of 20

7. Which of the following does not react directly with halogens to form halides

C

Ge

Sn

Si

Question 7 of 20

8. Which of the following has covalent radius more than germanium?

Sn

Si

C

B

Question 8 of 20

9. Which of the following oxide is neutral in nature?

CO

PbO

GeO

SnO

Question 9 of 20

10. Germanium is transparent in:

Visible region

Ultraviolet region

Infrared region

Microwave region

Question 10 of 20

11. Elements of group 14 exhibit:

Oxidation state of both +2 and -1

Oxidation state of both +2 and +4

Oxidation state of +4 only

Oxidation state of +2 only

Question 11 of 20

12. Percentage of lead in lead pencils is:

50

Zero

60

40

Question 12 of 20

13. Lead is unaffected by water because:

Of poor shielding effect

Of large covalent radius

Of its metallic nature

Of formation of a protective oxide film

Question 13 of 20

14. Which of the oxide is acidic from the following ?

PbO

GeO

SnO

CO

Question 14 of 20

15. In earth's crust, tin occurs as:

Manganite

Cassiterite

Cryolite

Kernite

Question 15 of 20

16. Which of the following dioxide is amphoteric in nature?

CO₂

GeO₂

SiO₂

SnO₂

Question 16 of 20

17. Inert pair effect is predominant in:

Si

Pb

Sn

C

Question 17 of 20

18. Germanium is a:

Insulator

Metal

Non-metal

Metalloid

Question 18 of 20

19. Ultra pure form of germanium is used to make:

Plastics

Transistors

Drugs

Tubes

Question 19 of 20

20. The electro negativity of group 14 elements are:

Similar as of group 13 elements

Slightly less than as of group 13 elements

Slightly more than as of group 13 elements

Same/equal as of group 13 elements

Question 20 of 20

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