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

Question 1 of 20

Question 2 of 20

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

Question 2 of 20

Question 3 of 20

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

Question 3 of 20

Question 4 of 20

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

Question 4 of 20

Question 5 of 20

5. 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 5 of 20

Question 6 of 20

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

Question 6 of 20

Question 7 of 20

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

Question 7 of 20

Question 8 of 20

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

Question 8 of 20

Question 9 of 20

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

Question 9 of 20

Question 10 of 20

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

Question 10 of 20

Question 11 of 20

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

Question 11 of 20

Question 12 of 20

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

Question 12 of 20

Question 13 of 20

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

Question 13 of 20

Question 14 of 20

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

Question 14 of 20

Question 15 of 20

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

Question 15 of 20

Question 16 of 20

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

Question 16 of 20

Question 17 of 20

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

Question 17 of 20

Question 18 of 20

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

Question 18 of 20

Question 19 of 20

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

Question 19 of 20

Question 20 of 20

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

Question 20 of 20


 

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