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Chemistry - Ionic Equilibrium

Practise 112 AP EAMCET previous year questions on Ionic Equilibrium, 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 AP EAMCET tests.

Ionic Equilibrium has been asked in 23 of the 24 years of AP EAMCET papers analysed (2001–2024), with 112 questions in all. 45% of them were easy, 46% moderate and 10% tough. Most of its questions came from 2020, with 18 questions that year. In the last three years (2022–2024) it had 31 questions across 28 papers, about 1.1 per paper.

The chapter's 6 topics are not weighted equally: PH of solutions (38 questions, 34%), Theories of Acids and Bases (23 questions, 21%), and Solubility (21 questions, 19%) have been asked the most. PH of solutions has also led over the last five years, with 16 questions. Buffer solutions has produced the most tough questions (8).

  1. 1At of two ionic salts and MX is and respectively. The ratio of molar solubility of and MX is27 May, 2025 (M)Solubility
  2. 2The conjugate base of phosphorus acid is . The conjugate base of oleum is . What are and , respectively?26 May, 2025 (M)Theories of Acids and Bases
  3. 3The molar solubility of in solution in terms of (solubility product) is26 May, 2025 (E)Solubility
  4. 4When 30 mL of is added to 30 mL of solution. If the pH of the buffer formed is 8.2, what is the of ?23 May, 2025 (M)Buffer solutions
  5. 5The percentage of ionization of 1 L of acetic acid is 4.242 and is called solution "A". The percentage of ionization of 1 L of acetic acid i23 May, 2025 (E)Ionic Product of Water
  6. 6At , the percentage of ionization of ' ' M acetic acid is 4.242. What is the value of22 May, 2025 (M)PH of solutions
  7. 7At of formic acid is . What is the of ?22 May, 2025 (E)Theories of Acids and Bases
  8. 8At , the solubility product of AgBr is . What is its solubility in 0.1 M KBr solution?21 May, 2025 (M)Solubility
  9. 9At , the percentage of ionization of acetic acid is 4.242. What is the pH of the acetic acid solution?21 May, 2025 (E)Ionic Product of Water
  10. 10At . the degree of dissociation of HA (weak acid) in 0.5 M of its solution is . The concentrations of , and HA at equilibrium (in ) are resp23 May, 2024 (M)Theories of Acids and Bases
  11. 11Which of the following when added to 20 mL of a 0.01 M solution of HCl would decrease its pH ?22 May, 2024 (M)PH of solutions
  12. 12100 mL of 0.1 M HA (weak acid) and 100 mL of 0.2 M NaA are mixed. What is the pH of resultant solution? ( of HA is )22 May, 2024 (E)PH of solutions
  13. 13At , the solubility product of AX is . What is the molar solubility of AX in 0.1 M HX solution?21 May, 2024 (M)Solubility
  14. 14The solubility of barium phosphate of molar mass ' M ' g in water is per 100 mL at 298 K . Its solubility product is . The values of and res21 May, 2024 (E)Solubility
  15. 15At of 0.4 M HCl is mixed with 100 mL of 0.5 M NaOH solution. To the resultant solution. 800 mL of distilled water is added. What is the pH o20 May, 2024 (M)PH of solutions
  16. 16Which of the following will make a basic buffer solution.20 May, 2024 (E)Buffer solutions
  17. 17What is the conjugate base of chloric acid?19 May, 2024 (E)Theories of Acids and Bases
  18. 18At , the degree of dissociation of weak acid (HA) in its 0.5 M aqueous solution is . Its value is approximately18 May, 2024 (M)Theories of Acids and Bases
  19. 19The of solution is 10 . What is its degree of dissociation? (Given of is )19 May, 2023 (M)Theories of Acids and Bases
  20. 20Observe the following species How many Lewis acids are present in the above list?18 May, 2023 (E)Theories of Acids and Bases
  21. 212. Given below are two statements Statement I: The changes in with temperature are so small that we often ignore it Statement II: When the h17 May, 2023 (M)PH of solutions
  22. 22Observe the following species How many Lewis bases are present in the above list?17 May, 2023 (E)Theories of Acids and Bases
  23. 23Conjugate acid and conjugate base of are respectively16 May, 2023 (M)Theories of Acids and Bases
  24. 24Observe the following solutions I. Black coffee II. III. Lemon juice IV. Lime water V. Human Saliva VI. Tomato juice The number of solutions16 May, 2023 (E)PH of solutions
  25. 25Observe the following solutions I. Black coffee II. III. Lemon Juice IV. Lime water V. Human Saliva VI. Tomato Juice The number of solutions15 May, 2023 (E)PH of solutions
  26. 26Which of the following has more value?15 May, 2023 (E)Salt Hydrolysis
  27. 27Statement of buffer increases with increasing temperature. Statement B : The value of of water decreases with decreasing temperature.08 Jul, 2022 (M)Buffer solutions
  28. 28The conjugate base of is08 Jul, 2022 (E)Theories of Acids and Bases
  29. 29The conjugate base of is07 Jul, 2022 (M)Theories of Acids and Bases
  30. 30At , the solubility product of is . What is its molar solubility in solution at same temperature?07 Jul, 2022 (E)Solubility
  31. 31The solubility products of and are and respectively. An aqueous solution contains and of equal concentration. gas was passed into this solut07 Jul, 2022 (E)Solubility
  32. 32The conjugate base of is06 Jul, 2022 (M)Theories of Acids and Bases
  33. 33A few grams of sodium carbonate is added to of water. What is the or range of resultant solution?06 Jul, 2022 (M)PH of solutions
  34. 34Identify the correct statements from the following. (A) The ionic product of water at is . (B) of a solution decreases with increasing tempe06 Jul, 2022 (E)Ionic Product of Water
  35. 35of aqueous is mixed with of aqueous solution. Assuming complete dissociation and no change in the volume upon mixing, the of resultant solut06 Jul, 2022 (E)PH of solutions
  36. 36Which of the following behaves as a Lewis acid?06 Jul, 2022 (E)Theories of Acids and Bases
  37. 37The values of and are and respectively. The correct order of their acidic strength is05 Jul, 2022 (E)PH of solutions
  38. 38Equal volumes of 0 . 5 N acetic acid and 0 . 5 N sodium acetate are mixed. What is the of resultant solution? ( pK a of acetic acid = 4 . 7504 Jul, 2022 (M)Buffer solutions
  39. 39Assertion (A) : Blood cells collapse when suspended in saline water Reason (R): Cell membrane dissolves in saline water04 Jul, 2022 (M)PH of solutions
  40. 40The pH of 0 . 01 N lime water is04 Jul, 2022 (E)PH of solutions
  41. 41Which of the following species acts as both bronsted acid and base?25 Aug, 2021 (M)Theories of Acids and Bases
  42. 42If the molar solubility (in ) of a sparingly soluble salt is and the corresponding solubility product is , then in terms of is given by the 25 Aug, 2021 (E)Solubility
  43. 43Which among the following pair constitute a buffer?24 Aug, 2021 (M)Buffer solutions
  44. 44If the concentration of ions in the saturated solution of is , then find the solubility product of .24 Aug, 2021 (M)Solubility
  45. 45In an amino acid, the carboxylic group ionises at and ammonium ion ionises at . The isoelectric point of the amino acid is at24 Aug, 2021 (M)PH of solutions
  46. 46Which of the following gas has the highest at ?23 Aug, 2021 (M)PH of solutions
  47. 47Strongest conjugate base is23 Aug, 2021 (E)Theories of Acids and Bases
  48. 48The solubility of A g B r ( s ) , having solubility product 5 10 - 10 in 0 . 2 M NaBr solution, equals20 Aug, 2021 (M)Solubility
  49. 49Match the following? Species Conjugate acid ( a ) NH 3 ( i ) H 2 CO 3 ( b ) HCO 3 - ( ii ) H 3 O + ( c ) H 2 O ( iii ) NH 4 + ( d ) HSO 4 - 20 Aug, 2021 (E)Theories of Acids and Bases
  50. 50The pH of 0 . 1 M solution of acetic acid will be [degree of dissociation of acetic acid is 0 . 0132 ]20 Aug, 2021 (E)PH of solutions

Frequently Asked Questions

1.How many questions are available for Ionic Equilibrium?

This chapter includes 112 questions compiled from AP EAMCET papers spanning 2001 to 2025.

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

These are AP EAMCET questions specifically for the Ionic Equilibrium chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.

3.Is Ionic Equilibrium an important chapter for AP EAMCET Chemistry?

Ionic Equilibrium has appeared in 24 of the 25 years of AP EAMCET papers covered here, with 112 questions across 83 papers - about one per paper it appears in.

4.What is the difficulty level of Ionic Equilibrium questions in AP EAMCET?

Of the 112 questions analysed for this chapter, 45% are easy, 46% moderate and 10% tough. 2020 had the most, with 18 questions.

5.Which topics in Ionic Equilibrium should I focus on?

These topics have carried the most weightage in Ionic Equilibrium:

  • PH of solutions - 38 questions (34%)
  • Theories of Acids and Bases - 23 questions (21%)
  • Solubility - 21 questions (19%)
  • Buffer solutions has produced the most tough questions (8).
6.Is Ionic Equilibrium's weightage in AP EAMCET going up or down?

Across all 83 papers analysed, Ionic Equilibrium has averaged about 1.3 questions per paper. In the last three years (2022–2024), that average has fallen, at about 1.1 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.