p-Block Elements - Group 17 (Halogens)

Grade 12 Chemistry — p-Block Elements - Group 17 (Halogens): 25 practice questions with instant scoring and explanations.

1. The electronic configuration of halogens is:
2. Fluorine is the:
3. Oxidation states of halogens range from:
4. Fluorine exhibits oxidation state of:
5. Chlorine is prepared industrially by:
6. In electrolysis of brine, Cl⁻ is oxidized to:
7. Chlorine water contains:
8. Bleaching action of Cl₂ is due to:
9. Bromine is a:
10. Iodine is a:
11. Iodine reacts with thiosulfate in the reaction:
12. Hydrogen halides (HX) are prepared by:
13. Hydrofluoric acid is:
14. HF forms complexes with:
15. Oxyacids of halogens include:
16. The stability of oxyacids decreases as:
17. Interhalogens are compounds like:
18. The reactivity order of halogens is:
19. Fluorine is extracted from:
20. Chlorine was first prepared by:
21. The halide ion reactivity order is:
22. Potassium iodide (KI) is used in:
23. Fluorine compounds are used in:
24. Chlorine is used in:
25. The electronegativity order of halogens is: