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Chemistry - p Block Elements (Group 15, 16, 17 & 18)

Practise 28 BITSAT previous year questions on p Block Elements (Group 15, 16, 17 & 18), compiled from papers spanning 2009 to 2024. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty BITSAT tests.

p Block Elements (Group 15, 16, 17 & 18) has been asked in 13 of the 16 years of BITSAT papers analysed (2009–2024), with 28 questions in all. 50% of them were easy, 32% moderate and 18% tough. Most of its questions came from 2013, with 4 questions that year. In the last three years (2022–2024) it had 5 questions across 4 papers, about 1.3 per paper.

The chapter's 5 topics are not weighted equally: Nitrogen and Its Compounds (9 questions, 32%), Halogens and Its Compounds (8 questions, 29%), and Phosphorus and Its Compounds (6 questions, 21%) have been asked the most. Over the last five years the most frequent topics have been Sulphur and Its Compounds (4), Nitrogen and Its Compounds (2), and Phosphorus and Its Compounds (2). Nitrogen and Its Compounds has produced the most tough questions (2).

  1. 1In which of the following molecules, all bond lengths are not equal?2024 (Memory Based Paper 1)Halogens and Its Compounds
  2. 2The sol formed in the following unbalanced equation is2024 (Memory Based Paper 1)Sulphur and Its Compounds
  3. 3bond is not present in2023 (Memory Based Paper 1)Sulphur and Its Compounds
  4. 4Which of the following oxo acid of sulphur has O-O bond?2023 (Memory Based Paper 2)Sulphur and Its Compounds
  5. 5The total number of bonds for pyrophosphoric acid2022Phosphorus and Its Compounds
  6. 6Identify the incorrect statement:2021Sulphur and Its Compounds
  7. 7Hydrolysis of gives and . Which of the following is ?2021Nitrogen and Its Compounds
  8. 8Nitrogen is obtained by the thermal decomposition of:2021Nitrogen and Its Compounds
  9. 9Phosphine is not obtained by which of the following reaction?2020Phosphorus and Its Compounds
  10. 10The hybridisation of phosphorous in PO 4 3 - is2019Phosphorus and Its Compounds
  11. 11The most acidic oxide for nitrogen is2017Nitrogen and Its Compounds
  12. 12For the reaction N 2 O 4 g 2 NO 2 g2017Nitrogen and Its Compounds
  13. 13When aqueous solutions of borax is acidified with HCl , we get2017Halogens and Its Compounds
  14. 14Laughing gas is2015Nitrogen and Its Compounds
  15. 15The angle in molecule and angle in molecule is(in degree) respectively2015Phosphorus and Its Compounds
  16. 16Which of the following fluorides of xenon is impossible?2015Noble Gases
  17. 17Which of the following halogens exhibit only one oxidation state in its compounds?2014Halogens and Its Compounds
  18. 18Which of the following is incorrect with respect to property indicated?2013Halogens and Its Compounds
  19. 19Strong reducing behaviour of is due to2013Phosphorus and Its Compounds
  20. 20Which of the following is less acidic among the given halogen compounds?2013Halogens and Its Compounds
  21. 21When is passed over heated metal , its amide is formed. The metal is2013Nitrogen and Its Compounds
  22. 22Phosphine is not obtained by the reaction2011Phosphorus and Its Compounds
  23. 23Which of the following halides is not oxidized by2011Halogens and Its Compounds
  24. 24Which liberates ammonia when treated with water?2010Nitrogen and Its Compounds
  25. 25The correct order of reactivity of halogens with alkalies is2010Halogens and Its Compounds
  26. 26Which of the following is used in the preparation of chlorine?2009Halogens and Its Compounds
  27. 27Which of the following compound is obtained by heating ammonium cyanate?2009Nitrogen and Its Compounds
  28. 28Ammonia forms the complex ion with copper ions in alkaline solutions but not in acidic solutions. What is the reason for it?2009Nitrogen and Its Compounds

Frequently Asked Questions

1.How many questions are available for p Block Elements (Group 15, 16, 17 & 18)?

This chapter includes 28 questions compiled from BITSAT papers spanning 2009 to 2024.

2.Are these questions only from BITSAT, or from other exams too?

These are BITSAT questions specifically for the p Block Elements (Group 15, 16, 17 & 18) chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.

3.Is p Block Elements (Group 15, 16, 17 & 18) an important chapter for BITSAT Chemistry?

p Block Elements (Group 15, 16, 17 & 18) has appeared in 13 of the 16 years of BITSAT papers covered here, with 28 questions across 14 papers - about 2 per paper it appears in.

4.What is the difficulty level of p Block Elements (Group 15, 16, 17 & 18) questions in BITSAT?

Of the 28 questions analysed for this chapter, 50% are easy, 32% moderate and 18% tough. 2013 had the most, with 4 questions.

5.Which topics in p Block Elements (Group 15, 16, 17 & 18) should I focus on?

These topics have carried the most weightage in p Block Elements (Group 15, 16, 17 & 18):

  • Nitrogen and Its Compounds - 9 questions (32%)
  • Halogens and Its Compounds - 8 questions (29%)
  • Phosphorus and Its Compounds - 6 questions (21%)
  • Nitrogen and Its Compounds has produced the most tough questions (2).
6.Is p Block Elements (Group 15, 16, 17 & 18)'s weightage in BITSAT going up or down?

Across all 14 papers analysed, p Block Elements (Group 15, 16, 17 & 18) has averaged about 2.0 questions per paper. In the last three years (2022–2024), that average has fallen, at about 1.3 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.