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Friday, 9 October

JEE Main Chemistry · The p-Block Elements

Group 13 & 14 in JEE Main

Group 13 & 14 (Chemistry, The p-Block Elements) came 18 times in 17 of the 42 JEE Main shifts Lumi analysed, across 9 distinct ideas. 11 of them came in 2024–26; it was last asked in 2026.

Questions
18
in 17 shifts
Ideas asked
9
3 asked more than once
Numerical answer
1
6% of its questions
Pattern
Asked most years
last asked 2026
Questions each year
0360’171’202’213’221’233’245’253’26

In the shifts Lumi analysed for each year.

Difficulty and format
Easy 3Medium 13Hard 2

Format

  • Single correct7 Q
  • Other5 Q
  • Two statements2 Q
  • Match the list2 Q
  • Numerical value1 Q
  • Assertion–reason1 Q
Ideas inside the topic
9 ideas
Where it sits

Part of The p-Block Elements, which had 58 questions in all. Group 13 & 14 accounts for 31% of them. In Lumi's JEE taxonomy it belongs to Inorganic Chemistry.

Some questions sit in other chapters too: Classification of Elements and Periodicity in Properties, The d- and f-Block Elements.

Every question

All 18 Group 13 & 14 questions

Newest first, each with its options and official answer.

  1. 2 Apr 2026, Shift 2 · Q70Among Fe2+^{2+}, Fe3+^{3+}, Cr2+^{2+} and Zn2+^{2+}, the ion that shows positive borax bead test and with highest ionisation enthalpy is:MediumSingle correct
  2. 4 Apr 2026, Shift 2 · Q58The electronegativity of a group 13 element 'E' is same as that of Ge (on Pauling scale and upto one decimal point). The CORRECT…HardOther
  3. 6 Apr 2026, Shift 1 · Q59Given below are two statements: Statement I: Aluminium is more electropositive than thallium as the standard electrode potential value of…MediumTwo statements
  4. 3 Apr 2025, Shift 2 · Q60The correct orders among the following are A. Atomic radius : B < Al < Ga < In < Tl B. Electronegativity : Al < Ga < In < Tl < B C.…MediumOther
  5. 4 Apr 2025, Shift 2 · Q57The elements of Group 13 with highest and lowest first ionisation enthalpies are respectively :EasySingle correct
  6. 4 Apr 2025, Shift 2 · Q58Given below are two statements : Statement (I) : The first ionisation enthalpy of group 14 elements is higher than the corresponding…MediumTwo statements
  7. 7 Apr 2025, Shift 1 · Q60The group 14 elements A and B have the first ionisation enthalpy values of 708 and 715 kJ mol−1\mathrm{mol^{-1}} respectively. The above…MediumSingle correct
  8. 7 Apr 2025, Shift 2 · Q60The correct statements from the following are : (A) Tl3+\mathrm{Tl^{3+}} is a powerful oxidising agent (B) Al3+\mathrm{Al^{3+}} does not get…MediumOther
  9. 6 Apr 2024, Shift 2 · Q67The number of ions from the following that are expected to behave as oxidising agent is :…MediumOther
  10. 8 Apr 2024, Shift 1 · Q66Give below are two statements: One is labelled as Assertion A and the other is labelled as Reason R: Assertion A: The stability order of…EasyAssertion–reason
  11. 9 Apr 2024, Shift 2 · Q68Match List I with List II List I | List II A. Melting Point [K] | I. Tl>In>Ga>Al>B\mathrm{Tl>In>Ga>Al>B} B. Ionic Radius [M+3\mathrm{M^{+3}}/pm] | II.…HardMatch the list
  12. 13 Apr 2023, Shift 2 · Q89If the formula of Borax is Na2B4Ox(OH)y⋅zH2O\mathrm{Na_2B_4O_x(OH)_y\cdot zH_2O}, then x+y+z=x+y+z= ______MediumNumerical value
  13. 25 Jul 2022, Shift 1 · Q70The geometry around boron in the product 'B' formed from the following reaction is BF3+NaH→450 KA+NaF\mathrm{BF_3+NaH\xrightarrow{450\ K}A+NaF}…MediumSingle correct
  14. 24 Jun 2022, Shift 1 · Q70Identify the correct statement for B2H6\mathrm{B_2H_6} from those given below. (A) In B2H6\mathrm{B_2H_6}, all B-H bonds are equivalent. (B)…MediumOther
  15. 29 Jun 2022, Shift 1 · Q70Match List - I with List - II. List - I (Metal) (A) Cs (B) Ga (C) B (D) Si List - II (Application) (I) High temperature thermometer (II)…MediumMatch the list
  16. 3 Aug 2021, Shift 2 · Q37Silicones are group of organosilicon polymers. Which one among the following acts as a chain terminating unit in silicone polymerization?EasySingle correct
  17. 16 Mar 2021, Shift 2 · Q31The INCORRECT statement regarding the structure of C60\mathrm{C_{60}} is :MediumSingle correct
  18. 9 Jan 2020, Shift 2 · Q35The reaction of H3N3B3Cl3\mathrm{H_3N_3B_3Cl_3} (A) with LiBH4\mathrm{LiBH_4} in tetrahydrofuran gives inorganic benzene (B). Further, the reaction…MediumSingle correct