Punjab 12th Class Chemistry Chapter 5 Halogen and Noble Gases MCQs Test Online
Questions 20
Total Marks 40
Time 20 Mins
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Punjab 12th Class Chemistry Chapter 5 Halogen and Noble Gases MCQs Test Online

Punjab 12th Class Chemistry Chapter 5 Halogen and Noble Gases MCQs Test Online

 

Question 1 of 20

Chemistry

1. Which of the following elements form acidic oxide only?
1.
2.
3.
4.

Question 1 of 20

Question 2 of 20

2. Chlorine heptoxide (Cl2O7) reacts with water to form
1.
2.
3.
4.

Question 2 of 20

Question 3 of 20

3. Which one is percholric acid?
1.
2.
3.
4.

Question 3 of 20

Question 4 of 20

4. Iodine penta oxide, (I2O5) is used for the quantitative analyses of
1.
2.
3.
4.

Question 4 of 20

Question 5 of 20

5. Which halogen occurs naturally in a positive oxidation state?
1.
2.
3.
4.

Question 5 of 20

Question 6 of 20

6. Which of the following represents the correct electronic configuration of the outem-yost energy level of an element of zero (VIIIA) group in the ground state?
1.
2.
3.
4.

Question 6 of 20

Question 7 of 20

7. The anhydride of HCIO is
1.
2.
3.
4.

Question 7 of 20

Question 8 of 20

8. Which of following is most acidic?
1.
2.
3.
4.

Question 8 of 20

Question 9 of 20

9. Bond angle in OF2 is
1.
2.
3.
4.

Question 9 of 20

Question 10 of 20

10. The anhydride of HCIO4 is:
1.
2.
3.
4.

Question 10 of 20

Question 11 of 20

11. Chlorine heptaxide (C1207) reacts with water to form:
1.
2.
3.
4.

Question 11 of 20

Question 12 of 20

12. The weakest oxyacid of Cl is?
1.
2.
3.
4.

Question 12 of 20

Question 13 of 20

13. An element that has a high ionization energy and tends to be chemically  inactive would most likely
1.
2.
3.
4.

Question 13 of 20

Question 14 of 20

14. Which one is chlorous acid?
1.
2.
3.
4.

Question 14 of 20

Question 15 of 20

15. Hydrogen bond is the strongest between the molecules of
1.
2.
3.
4.

Question 15 of 20

Question 16 of 20

16. Which halogen will react spontaneously with Au(s) to produce Au?
1.
2.
3.
4.

Question 16 of 20

Question 17 of 20

17. Bleaching powder may be produced by passing chlorine over
1.
2.
3.
4.

Question 17 of 20

Question 18 of 20

18. Which of the following hydrogen halide is the weaker acid in solution?
1.
2.
3.
4.

Question 18 of 20

Question 19 of 20

19. Which of the following hydrogen halides is liquid at room temperature
1.
2.
3.
4.

Question 19 of 20

Question 20 of 20

20. Which is the strongest acid?
1.
2.
3.
4.

Question 20 of 20


 

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