Group-16 p block elements Oxygen Family Quiz

Group 16 Elements Quiz

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Test your knowledge on the p-block elements of Group 16 for JEE and NEET.

1. The general electronic configuration of Group 16 elements is:

• $ns^2 np^4$
• $ns^2 np^3$
• $ns^2 np^5$
• $ns^2 np^6$

2. The correct order of decreasing acidic strength of the hydrides of Group 16 is:

• $H_2O > H_2S > H_2Se > H_2Te$
• $H_2Te > H_2Se > H_2S > H_2O$
• $H_2S > H_2O > H_2Se > H_2Te$
• $H_2O < H_2S < H_2Se < H_2Te$

3. The oxidation state of sulfur in $H_2SO_4$ is:

• +2
• +4
• +6
• -2

4. Which of the following elements of Group 16 shows the highest tendency to form catenation?

• Oxygen (O)
• Sulfur (S)
• Selenium (Se)
• Tellurium (Te)

5. The boiling point of water is exceptionally high due to:

• High bond dissociation enthalpy.
• Strong hydrogen bonding.
• Ionic character.
• Large molecular mass.

6. Which of the following is the most electronegative element in Group 16?

• Sulfur (S)
• Oxygen (O)
• Selenium (Se)
• Tellurium (Te)

7. The correct order of bond angles in the hydrides of Group 16 is:

• $H_2O < H_2S < H_2Se < H_2Te$
• $H_2O > H_2S > H_2Se > H_2Te$
• $H_2S > H_2O > H_2Se > H_2Te$
• $H_2Te > H_2O > H_2S > H_2Se$

8. Which of the following elements of Group 16 is a metalloid?

• Oxygen (O)
• Sulfur (S)
• Polonium (Po)
• Tellurium (Te)

9. The phenomenon of allotropy is shown by:

• Oxygen only
• Sulfur and Selenium only
• All elements of Group 16
• All elements except Polonium

10. Which of the following hydrides of Group 16 is the strongest reducing agent?

• $H_2O$
• $H_2S$
• $H_2Se$
• $H_2Te$

11. What is the hybridization of the central atom in $H_2O$?

• $sp$
• $sp^2$
• $sp^3$
• $sp^3d$

12. The correct order of electron gain enthalpy for Group 16 elements is:

• $O < S < Se < Te$
• $O > S > Se > Te$
• $S > Se > Te > O$
• $Te > Se > S > O$

13. The most common oxidation state shown by Group 16 elements is:

• +2
• +4
• +6
• -2

14. What is the shape of the $SO_2$ molecule?

• Linear
• Bent or V-shaped
• Trigonal planar
• Tetrahedral

15. The stability of the +6 oxidation state decreases down the group due to:

• High electronegativity
• Inert pair effect
• High ionization enthalpy
• Increasing atomic size

16. The correct order of bond dissociation enthalpy for the hydrides of Group 16 is:

• $H_2O > H_2S > H_2Se > H_2Te$
• $H_2Te > H_2Se > H_2S > H_2O$
• $H_2O > H_2Te > H_2S > H_2Se$
• $H_2S > H_2Se > H_2Te > H_2O$

17. Which of the following is an allotrope of oxygen?

• Ozone ($O_3$)
• Water ($H_2O$)
• Hydrogen peroxide ($H_2O_2$)
• Superoxide ($O_2^-$)

18. The compound used for the contact process to manufacture sulfuric acid is:

• $SO_2$
• $SO_3$
• $H_2S$
• $H_2SO_3$

19. Which of the following is a neutral oxide?

• $SO_2$
• $TeO_2$
• $SO_3$
• Water ($H_2O$)

20. The correct order of decreasing metallic character of Group 16 elements is:

• O > S > Se > Te > Po
• Po > Te > Se > S > O
• O < S < Se < Te < Po
• Se > Te > S > O > Po

21. The property of forming single bonds is more pronounced in sulfur than in oxygen. This is due to:

• Higher electronegativity of oxygen.
• Lower bond energy of O-O single bond.
• Presence of d-orbitals in sulfur.
• Larger atomic size of sulfur.

22. Which of the following is the most acidic oxide in Group 16?

• $SO_2$
• $SeO_2$
• $TeO_2$
• $PoO_2$

23. Ozone ($O_3$) is a powerful:

• Reducing agent
• Oxidizing agent
• Dehydrating agent
• Complexing agent

24. What is the formula of oleum?

• $H_2SO_4$
• $H_2S_2O_7$
• $H_2SO_3$
• $SO_3$

25. The stability of the +4 oxidation state increases down the group. This is due to:

• Increasing atomic size.
• Inert pair effect.
• High ionization enthalpy.
• High electronegativity.

Quiz Results