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

Total Question
20 Questions
Total Marks
40 Marks
Total Time
20 Minuts
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Test Name



Ch. 5 # Halogen and Noble Gases

Subject



Chemistry (12th Class)

Test Type



MCQs


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

Question 2 of 20

Question 3 of 20

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

Question 3 of 20

Question 4 of 20

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

Question 4 of 20

Question 5 of 20

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

Question 5 of 20

Question 6 of 20

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

Question 6 of 20

Question 7 of 20

7. 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 7 of 20

Question 8 of 20

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

Question 8 of 20

Question 9 of 20

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

Question 9 of 20

Question 10 of 20

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

Question 10 of 20

Question 11 of 20

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

Question 11 of 20

Question 12 of 20

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

Question 12 of 20

Question 13 of 20

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

Question 13 of 20

Question 14 of 20

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

Question 14 of 20

Question 15 of 20

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

Question 15 of 20

Question 16 of 20

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

Question 16 of 20

Question 17 of 20

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

Question 17 of 20

Question 18 of 20

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

Question 18 of 20

Question 19 of 20

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

Question 19 of 20

Question 20 of 20

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

Question 20 of 20


 

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