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Chemistry - p Block Elements (Group 13 & 14)

Practise 103 TS EAMCET previous year questions on p Block Elements (Group 13 & 14), compiled from papers spanning 2001 to 2025. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty TS EAMCET tests.

p Block Elements (Group 13 & 14) has been asked in 21 of the 24 years of TS EAMCET papers analysed (2001–2024), with 103 questions in all. 47% of them were easy, 43% moderate and 11% tough. Most of its questions came from 2020, with 16 questions that year. In the last three years (2022–2024) it had 26 questions across 17 papers, about 1.5 per paper.

The chapter's 6 topics are not weighted equally: Boron and Its Compounds (42 questions, 41%), Carbon and Its Compounds (22 questions, 21%), and Silicon and Its Compounds (17 questions, 17%) have been asked the most. Boron and Its Compounds has also led over the last five years, with 19 questions. Boron and Its Compounds has produced the most tough questions (8).

  1. 1Boron trifluoride on reaction with lithium aluminium hydride in ether gives and X. X on reaction with gives Y. Y on further heating gives a 04 May, 2025 (M)Boron and Its Compounds
  2. 2Consider the following sequence of reactions. The repeating structural unit in Z is04 May, 2025 (M)Silicon and Its Compounds
  3. 3In which of the following reactions, hydrogen is evolved? I. Reaction of sodium borohydride with iodine II. Oxidation of diborane III. React04 May, 2025 (E)Boron and Its Compounds
  4. 4Which of the following is an incorrect statement about the compounds of group 13 elements?03 May, 2025 (M)Boron and Its Compounds
  5. 5The incorrect statement about the oxidation states of group 14 elements is03 May, 2025 (M)Tin and Lead Containing Compounds
  6. 6Diborane on hydrolysis gives a compound X. The correct statements about X are I. It is a tribasic acid II. It is a weak monobasic acid III. 03 May, 2025 (E)Boron and Its Compounds
  7. 7Choose the correct statements about allotropes of carbon I. Graphite has layered structure II. Buckminster fullerene is not aromatic in natu03 May, 2025 (E)Carbon and Its Compounds
  8. 8The correct order of atomic radii of group 13 elements is02 May, 2025 (M)Periodic properties
  9. 9Observe the following oxides. The number of amphoteric oxides from the given list is02 May, 2025 (M)Aluminium and Its Compounds
  10. 10The correct statements about the compounds of boron are I. In borax bead test, the colour of cobalt metaborate is blue II. Diborane is prepa02 May, 2025 (E)Boron and Its Compounds
  11. 11The correct formula of borax is . The sum of and is11 May, 2024 (M)Boron and Its Compounds
  12. 12Observe the following reactions (not balanced) The incorrect statement about Y is10 May, 2024 (M)Boron and Its Compounds
  13. 13Assertion (A) : Silicones are used for water proofing of fabrics. Reason (R): The repeating unit in silicones is The correct answer is10 May, 2024 (M)Silicon and Its Compounds
  14. 14What are X and Y respectively in the following reactions?10 May, 2024 (E)Boron and Its Compounds
  15. 15Which of the following statements are correct? (i) undergoes hydrolysis easily (ii) Diamond has directional covalent bonds (iii) Fullerene i10 May, 2024 (E)Carbon and Its Compounds
  16. 16Identify the element for which +1 oxidation state is more stable than +3 oxidation state09 May, 2024 (M)Tin and Lead Containing Compounds
  17. 17Consider the following reactions (not balanced) The correct statements about X and Y are I. X is an electron deficient molecule II. In X, B-09 May, 2024 (E)Boron and Its Compounds
  18. 18Aluminium reacts with dilute and liberates a gas 'A' and with aqueous alkali liberates a gas 'B'. A and B respectively are14 May, 2023 (M)Aluminium and Its Compounds
  19. 19Which of the following has lowest melting point?14 May, 2023 (E)Silicon and Its Compounds
  20. 20Consider the following statements about group 13 elements A. gets stability by forming a dinner B. is an electron deficient molecule C. is +13 May, 2023 (E)Boron and Its Compounds
  21. 21What is the correct order of melting temperature of , ?13 May, 2023 (E)Boron and Its Compounds
  22. 22What are the correct statements about the elements of group 13 given below? (I) The stability of +1 oxidation state follows the order (II) B12 May, 2023 (M)Aluminium and Its Compounds
  23. 23Assertion (A): Graphite is used as a dry lubricant in machines which run at high temperatures Reason (R): The layers of graphite slip one ov12 May, 2023 (M)Carbon and Its Compounds
  24. 24In group 13 of the long form of periodic table an element has a boiling point of and melting point of . Identify the element for which is ma12 May, 2023 (E)Aluminium and Its Compounds
  25. 25The dioxides and monoxides of elements and are amphoteric in nature. and are respectively.12 May, 2023 (E)Carbon and Its Compounds
  26. 26Assertion : and form octahedral and tetrahedral structures. Reason : Being electron deficient, boron readily reacts with Lewis bases like Th20 Jul, 2022 (M)Boron and Its Compounds
  27. 27The correct order of " " values of Diamond (I), Graphite (II) and Fullerene (III) is20 Jul, 2022 (M)Carbon and Its Compounds
  28. 28A black coloured element with outer electronic configuration cannot react with air in its crystalline form. However, in amorphous form, it g20 Jul, 2022 (E)Boron and Its Compounds
  29. 29The element that does not show catenation is20 Jul, 2022 (E)Tin and Lead Containing Compounds
  30. 30The correct order of Lewis acidic character of boron trihaldes is19 Jul, 2022 (M)Boron and Its Compounds
  31. 31The acidic oxide from the following is19 Jul, 2022 (M)Tin and Lead Containing Compounds
  32. 32aq. excess and are19 Jul, 2022 (E)Aluminium and Its Compounds
  33. 33Among the following elements, exhibits maximum catenation and is the least abundant on earth. and elements are19 Jul, 2022 (E)Carbon and Its Compounds
  34. 34Product of reaction between Aluminium with aqueous NaOH18 Jul, 2022 (M)Aluminium and Its Compounds
  35. 35The element that even can diffuse through silica glass is18 Jul, 2022 (M)Silicon and Its Compounds
  36. 36When aluminium chloride is dissolved in water, it gives18 Jul, 2022 (E)Aluminium and Its Compounds
  37. 37The correct statements from the below 1.Charcoal can be obtained on heating wood in absence of air. 2.Charcoal is impure form of graphite. 306 Aug, 2021 (M)Carbon and Its Compounds
  38. 38Amphoteric hydroxide from the following is06 Aug, 2021 (E)Boron and Its Compounds
  39. 39Among the following options the element with the highest density and lowest boiling point is06 Aug, 2021 (E)Carbon and Its Compounds
  40. 40Match the following. Column-1 Reaction Column-2 Main product A B 2 H 6 + 2 CO I B 2 O 3 B B 2 H 6 + 3 O 2 II 2 BH 3 CO C B 2 H 6 + 6 H 2 O I05 Aug, 2021 (M)Boron and Its Compounds
  41. 41Which of the given statements are correct, when carboxyheamoglobin reaches to 3 - 4 % in blood? I) Leads to headache II) Results in cardiova05 Aug, 2021 (M)Carbon and Its Compounds
  42. 42The correct order of reducing ability of the following hydrides is05 Aug, 2021 (M)Boron and Its Compounds
  43. 43The set of amphoteric oxides among the given oxides are Ga 2 O 3 , As 4 O 10 , Sb 4 O 10 , B 2 O 3 , Tl 2 O04 Aug, 2021 (M)Boron and Its Compounds
  44. 44Which of the following complex ions does not exist?04 Aug, 2021 (M)Boron and Its Compounds
  45. 45Which of the following statements are correct? a) The isotope of carbon containing 7 neutrons has natural abundance of 1 . 1 % b) Among the 04 Aug, 2021 (M)Carbon and Its Compounds
  46. 46In the following reaction sequence, the compound C is Al + N 2 A H 2 O B ppt + C g04 Aug, 2021 (E)Aluminium and Its Compounds
  47. 47Diamond is extremely hard whereas graphite is soft. This is because04 Aug, 2021 (E)Carbon and Its Compounds
  48. 48Match the following : The correct match is14 Sep, 2020 (M)Boron and Its Compounds
  49. 49Glass reacts with HF to produce14 Sep, 2020 (M)Silicon and Its Compounds
  50. 50Which of the following molecules react with haemoglobin of the blood to produce toxic effect?14 Sep, 2020 (M)Carbon and Its Compounds

Frequently Asked Questions

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

This chapter includes 103 questions compiled from TS EAMCET papers spanning 2001 to 2025.

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

These are TS EAMCET 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 TS EAMCET Chemistry?

p Block Elements (Group 13 & 14) has appeared in 22 of the 25 years of TS EAMCET papers covered here, with 103 questions across 59 papers - about 2 per paper it appears in.

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

Of the 103 questions analysed for this chapter, 47% are easy, 43% moderate and 11% tough. 2020 had the most, with 16 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 - 42 questions (41%)
  • Carbon and Its Compounds - 22 questions (21%)
  • Silicon and Its Compounds - 17 questions (17%)
  • Boron and Its Compounds has produced the most tough questions (8).
6.Is p Block Elements (Group 13 & 14)'s weightage in TS EAMCET going up or down?

Across all 59 papers analysed, p Block Elements (Group 13 & 14) has averaged about 1.7 questions per paper. In the last three years (2022–2024), that average has stayed about the same, at about 1.5 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.