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Class 11 Chemistry (Part Ii) Chapter 11 Some P Block Elements Quiz 1 (25 MCQs)

Quiz Instructions

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1. Tetrachlorides of Group 14 elements in the Periodic Table are liquid at room temperature. The least thermally stable tetrachloride is

Correct Answer: D) PbCl$_{4}$.

2. Diamond is a non-conductor because

Correct Answer: C) Diamond does not have delocalised electrons.

3. Which element is metalloid in group 13 element

Correct Answer: A) B.

4. Which chloride compound would bleach the colour of a damp litmus paper at room temperature?

Correct Answer: D) PbCl$_{4}$.

5. Which element has the most electronegativity in Group 13

Correct Answer: B) B.

6. Beryllium have the diagonal relationship with which element in group 13

Correct Answer: C) Al.

7. Solder is an alloy which is made of tin and lead. Which is the main role of tin in solder?

Correct Answer: A) Lower the melting point.

8. Which ionic compound is stable due to the inert pair effect?

Correct Answer: C) PbCl$_{2}$.

9. Ti$^{+1 }$and Ti $^{+3}$ which one is more stable?

Correct Answer: A) Ti$^{+1}$.

10. Which statement is true of the oxides of Group 14 elements in the Periodic table on descending the group?

Correct Answer: C) The ionic properties of the monoxides of the elements increase.

11. State the similarity between graphite and diamond?

Correct Answer: A) They have giant molecular structure.

12. In diamond, each carbon atom has connected to how many carbon atoms?

Correct Answer: A) 4.

13. Which is a common property for germanium and lead compounds?

Correct Answer: C) Dioxides of both compounds are amphoteric.

14. The properties of compounds of an element are given below.* The oxide of the element is amphoteric and stabletowards heat.* The chloride of the element is acidic and liberateschlorine gas on strong heating.The compounds could be

Correct Answer: C) SnO$_{2}$ and SnCl$_{4}$.

15. Silicone is an inorganic polymer containing silicon. Silicone is used as I water-proof raincoat II lubricantIII electric insulator

Correct Answer: D) I, II and III.

16. List the following elements in order according to their atomic number:Indium, Aluminum, and Nihonium

Correct Answer: D) Aluminum, Indium, Nihonium.

17. List the following in order according to their atomic number:Gallium, Boron, andThallium

Correct Answer: C) Boron, Gallium, Thallium.

18. Choose group 13 element

Correct Answer: B) In.

19. Silicones are synthetic polymers with a variety of forms and uses. Most of the silicones are

Correct Answer: D) Thermally stable.

20. What is the valance electron configuration of group 13

Correct Answer: B) N s $^{2}$ n p $^{1}$.

21. BeSO$_{4}$ and SrSO$_{4}$ have different solubility in water. Which statement explains the difference?

Correct Answer: D) Hydration energy of BeSO$_{4}$ is more negative than that of SrSO$_{4}$.

22. Which causes tin and lead to have low melting points among the Group 14 elements of the periodic table?

Correct Answer: C) Weak metallic bonds.

23. Tetrachlorides of Group 14 in the Periodic Table are colourless and volatile liquids. Which statement is true about the first and the last tetrachlorides of group 14?

Correct Answer: A) CCl$_{4}$ is more stable when heated compared to PbCl$_{4}$.

24. The inert pair effect increase when

Correct Answer: B) Going down the group.

25. PbCl$_{4}$ could be used as a source of Cl$_{2}$ gas. Which statement is correct about the property of PbCl$_{4}$?

Correct Answer: D) It is thermally unstable.

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