12th Chemistry Important Questions Unit 3 p-Block elements – II
TN 12th Chemistry Important Questions Unit 3 p-Block elements – II. +2 Chemistry Important Questions Chapter 3 p-Block elements – II. TN 12th Standard Chemistry Important 2 Marks, 12th Chemistry Important 3 Marks, Chemistry Important 5 Marks Questions Based on reduced Syllabus 2021-2022. 12th Free Online Test (MCQs). HSC 12th Chemistry Revision Test Important Questions. 12th Tamil Full Guide.
12th Chemistry Chapter 3 p-Block elements – II
- 1. What is inert pair effect?
- 2. Chalcogens belongs to p-block. Give reason.
- 3. Explain why fluorine always exhibit an oxidation state of -1?
- 4. What are interhalogen compounds? Give examples.
- 5. Why fluorine is more reactive than other halogens?
- 6. Give the uses of helium.
- 7. What is the hybridisation of iodine in IF7? Give its structure.
- 8. Give the balanced equation for the reaction between chlorine with cold NaOH and hot NaOH.
- 9. How will you prepare chlorine in the laboratory?
- 10. Write the reason for the anamolous behaviour of Nitrogen.
- 11. Give the uses of Argon.
- 12. Write the valence shell electronic configuration of group-15 elements.
- 13. What type of hybridisation occur in a) BrF5 b)BrF3
- 14. Complete the following reactions.
- 15. Explain the Oxidation property of Chlorine with one example.
- 16. Explain the Reducing property of hydrogen iodide
- 17. Explain the Oxidation property of SO2 with one example
- 18. Prove that SO2 act as a Reducing agent.
- 19. Explain the Bleaching action of sulphurdioxide.
- 20. Give the uses of sulphurdioxide.
- 21. How will you prepared Ammonia by Haber‟s process
- 22. Mention the uses of Nitrogen.
- 23. How will you prepare Ammonia from Urea.
- 24. Explain the reducing property of Ammonia.
- 25. What is the difference between White Phophorus and Red Phophorus?
- 26. What is meant by Phosphorescence?
- 27. Give the the uses of Phophorus
- 28. Write the Action of heat on Potassium chlorate.
- 29. How will you prepare Ozone in the laboratory?
- 30. Discuss the structure of Ozone.
- 31. Explain the Oxidation property of Ozone.
- 32. Mention the uses of Oxygen.
- 33. Write the Allotrophic forms of sulphur.
- 34. How will you prepare Bleaching powder
- 35. How will you prepare Chlorine from brine. ( Electrolytic process)
- 36. Explain bleaching action of Chlorine
- 37. Mention the uses of Chlorine.
- 38. Write the properties of Inter halogen compounds?
- 39. Mention the uses of Neon
- 40. Mention the uses of Krypton
- 41. Mention the uses of Xenon
- 42. Mention the uses of Radon
- 43. Noble gases have the largest ionization energy why?
- 44. How will you prepare Chlorine by Deacon‟s process?
- 45. Write the hybridization and structure of XeOF2
- 46. Write the reaction of Ammonia with Iron and Copper salts?
- 47. Why does not Nitrogen form pentahalides like Phosphorous?
- 48. Write the reason for the highly reactivity of ICl than I2
- 49. Mention the hybridization of the following compounds a) BrF5 b) IF7 c) ClF d) ICl3
- 50. Write the structures for the following inter halogen compounds a) BrF5 b) IF7 c) ClF d) ICl3
