P Block Elements Halogens & Noble Gases Test Online

1. Chlorine acts as a bleaching agent only in presence of:

2. Iodine exists in which form in iodised salt

3. Total number of lone pair of electrons in XeOF₄ is

4. The correct order of increasing oxidising power is:

5. For electron affinity of halogens which of the following is correct?

6. Tincture of iodine is:

7. XeF₆ on hydrolysis produces

8. Hypo on treatment with iodine produces:

9. When 8.3 g copper sulphate reacts with excess of potassium iodide then the amount of iodine liberated is:

10. Shape of O₂F₂ is similar to that of:

11. Inert gases are mixed in iodine vapours. Then there are ________ between them.

12. The reason for not storing XeF₆ in a glass or a quartz vessel is that:

13. Which two of the following salts are used for preparing iodized salt?

14. Which of the following is not the characteristic of interhalogen compounds?

15. The correct order of acid strength of oxyacids is: