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Chemistry - p Block Elements (Group 13 & 14)

Practise 10 WBJEE previous year questions on p Block Elements (Group 13 & 14), compiled from papers spanning 2009 to 2026. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty WBJEE tests.

p Block Elements (Group 13 & 14) has been asked in 8 of the 18 years of WBJEE papers analysed (2009–2026), with 10 questions in all. 80% of them were easy, 20% moderate and 0% tough. Most of its questions came from 2018, with 2 questions that year. In the last three years (2024–2026) it had 2 questions across 3 papers, about 0.7 per paper.

The chapter's 4 topics are not weighted equally: Boron and Its Compounds (5 questions, 50%), Silicon and Its Compounds (3 questions, 30%), and Aluminium and Its Compounds (1 question, 10%) have been asked the most. Boron and Its Compounds has also led over the last five years, with 3 questions.

  1. 1Borazole is prepared by heating the product isolated by reacting2026Boron and Its Compounds
  2. 2The number of terminal and bridging hydrogens in are respectively2025Boron and Its Compounds
  3. 3The correct statement(s) about is / are :2022Boron and Its Compounds
  4. 4Cyclo [18] carbon is an allotrope of carbon with molecular formula . It is a ring of 18 carbon atoms, connected by single and triple bonds. 2021Carbon and Its Compounds
  5. 5is attacked by which one / ones of the following?2020Silicon and Its Compounds
  6. 6The main reason that is easily hydrolysed as compared to is that2018Silicon and Its Compounds
  7. 7Which of the set of oxides are arranged in the order of proper basic, amphoteric, acidic?2018Aluminium and Its Compounds
  8. 8In diborane, the number of electrons that accounts for bonding in the bridges is2013Boron and Its Compounds
  9. 9In borax the number of B links and B - OH bonds present are, respectively2013Boron and Its Compounds
  10. 10Which of the following statements is not correct2009Silicon and Its Compounds

Frequently Asked Questions

1.How many questions are available for p Block Elements (Group 13 & 14)?

This chapter includes 10 questions compiled from WBJEE papers spanning 2009 to 2026.

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

These are WBJEE questions specifically for the p Block Elements (Group 13 & 14) 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 13 & 14) an important chapter for WBJEE Chemistry?

p Block Elements (Group 13 & 14) has appeared in 8 of the 18 years of WBJEE papers covered here, with 10 questions across 8 papers - about one per paper it appears in.

4.What is the difficulty level of p Block Elements (Group 13 & 14) questions in WBJEE?

Of the 10 questions analysed for this chapter, 80% are easy, 20% moderate and 0% tough. 2018 had the most, with 2 questions.

5.Which topics in p Block Elements (Group 13 & 14) should I focus on?

These topics have carried the most weightage in p Block Elements (Group 13 & 14):

  • Boron and Its Compounds - 5 questions (50%)
  • Silicon and Its Compounds - 3 questions (30%)
  • Aluminium and Its Compounds - 1 question (10%)
6.Is p Block Elements (Group 13 & 14)'s weightage in WBJEE going up or down?

Across all 8 papers analysed, p Block Elements (Group 13 & 14) has averaged about 1.3 questions per paper. In the last three years (2024–2026), that average has fallen, at about 0.7 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.