ECAT Chemistry Group VA and VIA Elements Test Online

Chemistry Group VA and VIA Elements MCQS Online Test

ECAT Chemistry Group VA and VIA Elements Chapter Online Test

Total Questions: 55
Time Allowed: 30 Minutes
Total Marks: 55
How to Attempt Test: Please choose the right Option in MCQ-type question.
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ECAT Chemistry Group VA and VIA Elements Test

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Chemistry

1. At room temperature fluorine is

2. Which of the following has only oxidation state 3?

3. The structure of white phosphorus is

4. Which of the following elements does not form stable diatomic molecules?

5. Which of the following fluorides does not exist?

6. Which one of the following pentafluorides cannot be formed?

7. The electronegativity of the following elements increases in the order

8. Nitrogen is a gas while other elements of the same group are

9. Ring test is used for confirmation of

10. Sodium hexametaphosphate is known as

11. All elements of VI A group are

12. Which of the following is formed by the action of water on sodium peroxide?

13. BiCl₃ on hydrolysis forms a white precipitate of

14. Which of the following group VA elements is gas at room temperature?

15. Each of the following is true of white and red phosphorus except that they

16. Which one of the following elements occurs free in nature?

17. Chlorine is used for

18. When SO₂ is passed through acidified K₂Cr₂O₇ solution?

19. When H2 SO 4one reacts with oxalic acid it acts as

20. Relatively pure sulphuric acid is manufactured by

21. Dinitrogen pentaoxide has oxidation no of nitrogen

22. Which statement about oxygen and sulphur is not true?

23. Sulphur trioxide is an anhydride of

24. Red P can be obtained from white P by

25. Which catalyst is used in contact process?


 

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