Jump to a section

Chemistry - p Block Elements (Group 13 & 14)

Practise 93 JEE Main previous year questions on p Block Elements (Group 13 & 14), compiled from papers spanning 2002 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 JEE Main tests.

p Block Elements (Group 13 & 14) has been asked in 20 of the 25 years of JEE Main papers analysed (2002–2026), with 93 questions in all. 40% of them were easy, 47% moderate and 13% tough. Most of its questions came from 2023, with 12 questions that year. In the last three years (2024–2026) it had 21 questions across 49 papers, about 0.4 per paper.

The chapter's 5 topics are not weighted equally: Boron and Its Compounds (35 questions, 38%), Carbon and Its Compounds (18 questions, 19%), and Silicon and Its Compounds (17 questions, 18%) have been asked the most. Boron and Its Compounds has also led over the last five years, with 22 questions. Boron and Its Compounds has produced the most tough questions (5).

  1. 1Given below are two statements : Statement I: Aluminium upon reaction with NaOH forms ion. Statement II: The geometry of , and is square pla05 Apr, 2026 (E)Aluminium and Its Compounds
  2. 2Consider the following reactions Carbon The oxidation states of Cu in Z and Q, respectively are :28 Jan, 2026 (E)Boron and Its Compounds
  3. 3The correct statements from the following are : A. Ionic radii of trivalent cations of group 13 elements decreases down the group. B. Electr23 Jan, 2026 (M)Boron and Its Compounds
  4. 4It is noticed that is more stable than but is less stable than . Observe the following reactions. Identify the correct set from the followin23 Jan, 2026 (E)Tin and Lead Containing Compounds
  5. 5Given below are two statements : Statement I : Elements ' ' and ' ' are the most and least electronegative elements, respectively among and 22 Jan, 2026 (E)Boron and Its Compounds
  6. 6Consider the following reactions. (Hot solution) In the above reactions, and X are respectively.21 Jan, 2026 (M)Tin and Lead Containing Compounds
  7. 7Given below are two statements : Statement I : The number of pairs among and , which contain oxides that are both amphoteric is 2. Statement21 Jan, 2026 (M)Tin and Lead Containing Compounds
  8. 8The group 14 elements A and B have the first ionisation enthalpy values of and respectively. The above values are lowest among their group m07 Apr, 2025 (M)Tin and Lead Containing Compounds
  9. 9Given below are two statements : Statement (I) : The first ionisation enthalpy of group 14 elements is higher than the corresponding element04 Apr, 2025 (E)Boron and Its Compounds
  10. 10Consider the following elements and Ge . The most stable oxidation states of elements with highest and lowest first ionisation enthalpies, r28 Jan, 2025 (M)Aluminium and Its Compounds
  11. 11Given below are the atomic numbers of some group 14 elements. The atomic number of the element with lowest melting point is :23 Jan, 2025 (E)Tin and Lead Containing Compounds
  12. 12Give below are two statements: One is labelled as Assertion \( {A}\) and the other is labelled as Reason R: Assertion A: The stability order08 Apr, 2024 (M)Boron and Its Compounds
  13. 13The number of ions from the following that are expected to behave as oxidising agent is : \( {Sn}^{4+}, {Sn}^{2+}, {Pb}^{2+}, {Tl}^{3+}, {Pb06 Apr, 2024 (E)Tin and Lead Containing Compounds
  14. 14Evaluate the following statements related to group 14 elements for their correctness. (A) Covalent radius decreases down the group from \( {06 Apr, 2024 (E)Carbon and Its Compounds
  15. 15The number of neutrons present in the more abundant isotope of boron is ' \(x\) '. Amorphous boron upon heating with air forms a product, in05 Apr, 2024 (M)Boron and Its Compounds
  16. 16The correct statements from the following are : (A) The decreasing order of atomic radii of group 13 elements is \( {Tl}>\) In \(> {Ga}> {Al05 Apr, 2024 (E)Aluminium and Its Compounds
  17. 17Match List - I with List - II. List - I Compound List-II Use (A) Carbon tetrachloride (I) Paint remover (B) Methylene chloride (II) Refriger01 Feb, 2024 (E)Carbon and Its Compounds
  18. 18Given below are two statements: Statement (I) : SiO 2 and GeO 2 are acidic while SnO and PbO are amphoteric in nature. Statement (II) : Allo01 Feb, 2024 (E)Carbon and Its Compounds
  19. 19Consider the oxides of group 14 elements S i O 2 , G e O 2 , S n O 2 , P b O 2 , C O and G e O . The amphoteric oxides are31 Jan, 2024 (M)Carbon and Its Compounds
  20. 20Given below are two statements : Statement I: Group 13 trivalent halides get easily hydrolysed by water due to their covalent nature. Statem31 Jan, 2024 (E)Aluminium and Its Compounds
  21. 21Given below are two statements : Statement I : The electronegativity of group 14 elements from Si to Pb gradually decreases. Statement II : 29 Jan, 2024 (M)Silicon and Its Compounds
  22. 22Given below are two statements : one is labelled as Assertion ( A ) and the other is labelled as Reason ( R ) . Assertion (A) : Melting poin27 Jan, 2024 (M)Boron and Its Compounds
  23. 23For a good quality cement, the ratio of silica to alumina is found to be15 Apr, 2023 (M)Silicon and Its Compounds
  24. 24Better method for preparation of BeF 2 , among the following is13 Apr, 2023 (E)Boron and Its Compounds
  25. 25If the formula of Borax is Na 2 B 4 O x ( OH ) y zH 2 O , then x + y + z = _ _ _ _ _ _13 Apr, 2023 (E)Boron and Its Compounds
  26. 26Given below are two statements: Statement I: Boron is extremely hard indicating its high lattice energy. Statement II: Boron has highest mel12 Apr, 2023 (M)Boron and Its Compounds
  27. 27Structures of BeCl 2 in solid state, vapour phase and at very high temperature respectively are:06 Apr, 2023 (E)Boron and Its Compounds
  28. 28The correct order of bond enthalpy ( kJ mol 1 ) is:01 Feb, 2023 (E)Silicon and Its Compounds
  29. 29The Lewis acid character of boron tri halides follows the order:31 Jan, 2023 (E)Boron and Its Compounds
  30. 30Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): In expensive scien30 Jan, 2023 (M)Silicon and Its Compounds
  31. 31Boric acid in solid, whereas BF 3 is gas at room temperature because of30 Jan, 2023 (E)Boron and Its Compounds
  32. 32During the borax bead test with CuSO 4 , a blue green colour of the bead was observed in oxidising flame due to the formation of29 Jan, 2023 (M)Boron and Its Compounds
  33. 33Given below are two statements: Statement I : Nickel is being used as the catalyst for producing syn gas and edible fats. Statement II : Sil29 Jan, 2023 (E)Silicon and Its Compounds
  34. 34Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R Assertion A :- Carbon forms two importa25 Jan, 2023 (E)Carbon and Its Compounds
  35. 35When borax is heated with CoO on a platinum loop, blue coloured bead formed is largely due to29 Jul, 2022 (E)Boron and Its Compounds
  36. 36Given below are two statements: Statement I : The chlorides of Be and Al have Cl-bridged structure. Both are soluble in organic solvents and27 Jul, 2022 (M)Boron and Its Compounds
  37. 37Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A : Boron is unable to form B27 Jul, 2022 (E)Boron and Its Compounds
  38. 38Borazine, also known as inorganic benzene, can be prepared by the reaction of 3 -equivalents of X with 6 -equivalents of Y . X and Y , respe26 Jul, 2022 (M)Boron and Its Compounds
  39. 39Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R . Assertion A : Boric acid is a weak ac26 Jul, 2022 (E)Boron and Its Compounds
  40. 40Match List - I with List - II List-II List-II A N 2 g + 3 H 2 g 2 NH 3 g I Cu B CO g + 3 H 2 g CH 4 g + H 2 O g II Cu / ZnO - Cr 2 O 3 C CO 25 Jul, 2022 (M)Carbon and Its Compounds
  41. 41The geometry around boron in the product B formed from the following reaction is BF 3 + NaH 450 K A + NaF A + NMe 3 B25 Jul, 2022 (M)Boron and Its Compounds
  42. 42Match List-I with Match List-II List-I (Metal) List-II (Application) (A) Cs (I) High temperature thermometer (B) Ga (II) Water repellent spr29 Jun, 2022 (M)Silicon and Its Compounds
  43. 43Aqueous solution of which of the following boron compounds will be strongly basic in nature?29 Jun, 2022 (E)Boron and Its Compounds
  44. 44Match List - I with List - II. List-I ( Si -Compounds) List-II ( Si -Polymeric/Other Products) A CH 3 4 Si I Chain Silicone B CH 3 Si OH 3 I27 Jun, 2022 (M)Silicon and Its Compounds
  45. 45The number of bridged oxygen atoms present in compound B formed from the following reactions is Pb NO 3 2 673 K A + PbO + O 2 A Dimerise B25 Jun, 2022 (E)Tin and Lead Containing Compounds
  46. 46Identify the correct statement for B 2 H 6 from those given below. (A) In B 2 H 6 , all B - H bonds are equivalent. (B) In B 2 H 6 , there a24 Jun, 2022 (M)Boron and Its Compounds
  47. 47In which one of the following molecules strongest back donation of an electron pair from halide to boron is expected?27 Aug, 2021 (M)Boron and Its Compounds
  48. 48The ratio of number of water molecules in Mohr s salt and potash alum is 10 - 1 . (Integer answer)26 Aug, 2021 (M)Aluminium and Its Compounds
  49. 49Which one of the following compounds of Group- 14 elements is not known?25 Jul, 2021 (M)Silicon and Its Compounds
  50. 50Given below are the statements about diborane (a) Diborane is prepared by the oxidation of NaBH 4 with I 2 (b) Each boron atom is in sp 2 hy22 Jul, 2021 (M)Boron and Its Compounds

Frequently Asked Questions

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

This chapter includes 93 questions compiled from JEE Main papers spanning 2002 to 2026.

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

These are JEE Main questions specifically for the p Block Elements (Group 13 & 14) chapter. Questions from other exams like NTA Abhyas (JEE Main) or JEE Advanced are organised separately under their respective exam sections.

3.Is p Block Elements (Group 13 & 14) an important chapter for JEE Main Chemistry?

p Block Elements (Group 13 & 14) has appeared in 20 of the 25 years of JEE Main papers covered here, with 93 questions across 78 papers - about one per paper it appears in.

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

Of the 93 questions analysed for this chapter, 40% are easy, 47% moderate and 13% tough. 2023 had the most, with 12 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 - 35 questions (38%)
  • Carbon and Its Compounds - 18 questions (19%)
  • Silicon and Its Compounds - 17 questions (18%)
  • Boron and Its Compounds has produced the most tough questions (5).
6.Is p Block Elements (Group 13 & 14)'s weightage in JEE Main going up or down?

Across all 78 papers analysed, p Block Elements (Group 13 & 14) has averaged about 1.2 questions per paper. In the last three years (2024–2026), that average has fallen, at about 0.4 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.