Jump to a section

Chemistry - Electrochemistry

Practise 84 TS EAMCET previous year questions on Electrochemistry, 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.

Electrochemistry has been asked in 24 of the 24 years of TS EAMCET papers analysed (2001–2024), with 84 questions in all. 49% of them were easy, 43% moderate and 8% tough. Most of its questions came from 2022, with 8 questions that year. In the last three years (2022–2024) it had 21 questions across 17 papers, about 1.2 per paper.

The chapter's 4 topics are not weighted equally: Cells and Electrode Potential, Nernst Equation (62 questions, 74%), Conductance and Conductivity (17 questions, 20%), and Commercial Cells and Batteries (4 questions, 5%) have been asked the most. Cells and Electrode Potential, Nernst Equation has also led over the last five years, with 24 questions. Conductance and Conductivity has produced the most tough questions (3).

  1. 1A current of 0.5 ampere is passed through molten for 96.5 seconds. The mass of aluminium deposited at cathode is and volume of chlorine libe04 May, 2025 (M)Cells and Electrode Potential, Nernst Equation
  2. 2The order of negative standard potential values of is04 May, 2025 (E)Cells and Electrode Potential, Nernst Equation
  3. 3At 298 K the equilibrium constant for the reaction is . What is the in V for this reaction?04 May, 2025 (E)Cells and Electrode Potential, Nernst Equation
  4. 4The Gibbs energy change of the reaction (in ) corresponding to the following cell03 May, 2025 (M)Cells and Electrode Potential, Nernst Equation
  5. 5The molar conductivity of acetic acid solution at infinite dilution is . What is the molar conductivity of 0.01 M acetic acid solution (in )03 May, 2025 (E)Cells and Electrode Potential, Nernst Equation
  6. 6At 298 K, if emf of the cell corresponding to the reaction, is 0.28 V, then the pH of the solution at the hydrogen electrode is02 May, 2025 (M)Cells and Electrode Potential, Nernst Equation
  7. 7Electrolysis of aqueous copper (II) sulphate between Pt electrodes gives ' X ' at anode and ' Y ' at cathode. X and Y are respectively02 May, 2025 (E)Cells and Electrode Potential, Nernst Equation
  8. 80.592 g of copper is deposited in 60 minutes by passing 0.5 amperes current through a solution of copper (II) sulphate. The electro chemical11 May, 2024 (M)Cells and Electrode Potential, Nernst Equation
  9. 9The molar conductivity of 0.02 M solution of an electrolyte is . What is the resistance of the same solution (in ohms), kept in a cell of ce10 May, 2024 (M)Conductance and Conductivity
  10. 10The standard electrode potentials for Na respectively are10 May, 2024 (E)Cells and Electrode Potential, Nernst Equation
  11. 11Two statements are given below. Statement I : Molten NaCl is electrolysed using Pt electrodes. is liberated at anode. Statement II : Aqueous10 May, 2024 (E)Cells and Electrode Potential, Nernst Equation
  12. 12Identify the correct statements from the folluwing (A) At 298 K, the potential of hydrogen electrode placed in a solution of , is -0.59 V (B09 May, 2024 (M)Cells and Electrode Potential, Nernst Equation
  13. 13If the degree of dissociation of formic acid is , the molar conductivity of 0.02 M solution of it is (Given, )09 May, 2024 (E)Conductance and Conductivity
  14. 14The alkali metal with lowest is and the alkali metal with highest is . Then and Y are respectively14 May, 2023 (M)Cells and Electrode Potential, Nernst Equation
  15. 15A current of 15.0 amperes is passed through a solution of for 45 minutes. The volume of (in ) obtained at the anode at and is around , At. w14 May, 2023 (M)Cells and Electrode Potential, Nernst Equation
  16. 16The reduction potential of a half cell consisting of a Pt electrode immersed in and solution (in V) is Given14 May, 2023 (E)Cells and Electrode Potential, Nernst Equation
  17. 17The conductivity of a solution of concentration of a weak monobasic acid (HA) (in ) is (Given and degree dissociation of13 May, 2023 (M)Conductance and Conductivity
  18. 18A and B are two metals. The standard reduction potential of and are and respectively. What is the value for the following reaction at ? Give13 May, 2023 (E)Cells and Electrode Potential, Nernst Equation
  19. 19The electrode potential of chlorine electrode is maximum, when the concentration of chloride ion in the solution (in is . What is the value 12 May, 2023 (M)Cells and Electrode Potential, Nernst Equation
  20. 20At , the conductivity of aqueous solution of acetic acid is and limiting molar conductivity of acetic acid at the same temperature is . The 12 May, 2023 (E)Conductance and Conductivity
  21. 21Electrolysis of aqueous was carried out by passing a current of 3 ampere for . The volume of the gas (L) at STP at the anode of the cell is 20 Jul, 2022 (M)Cells and Electrode Potential, Nernst Equation
  22. 22The variation of of acetic acid with concentration is correctly represented as20 Jul, 2022 (M)Conductance and Conductivity
  23. 23The of the of oxidising is20 Jul, 2022 (E)Cells and Electrode Potential, Nernst Equation
  24. 24Given Calculate19 Jul, 2022 (M)Cells and Electrode Potential, Nernst Equation
  25. 25In two separate experiments, the same quantity of electricity was passed through silver and gold solutions [Assume ' ' constant] The amounts19 Jul, 2022 (E)Cells and Electrode Potential, Nernst Equation
  26. 26On passing electric current over molten ionic hydrides of s -block elements,18 Jul, 2022 (M)Commercial Cells and Batteries
  27. 27The electric charge for electrode deposition of one equivalent of a substance is equal to18 Jul, 2022 (M)Commercial Cells and Batteries
  28. 28On passing a current of 1 . 2 A through a solution of salt of copper for 40 min , 0 . 96 g of copper was deposited. The equivalent weight of18 Jul, 2022 (E)Cells and Electrode Potential, Nernst Equation
  29. 29A metal plate of dimension of has to be coated on both the sides by metal. How long does it take to deposit of thickness, if current is used06 Aug, 2021 (M)Conductance and Conductivity
  30. 30The element with highest standard reduction potential (in volt) among the first row of transition elements is06 Aug, 2021 (M)Cells and Electrode Potential, Nernst Equation
  31. 31For the cell reaction, , the emf of the cell at is06 Aug, 2021 (E)Cells and Electrode Potential, Nernst Equation
  32. 32When the same quantity of electricity is passed through the aqueous solutions of the given electrolytes for the same amount of time, which m05 Aug, 2021 (M)Cells and Electrode Potential, Nernst Equation
  33. 33Given Mg 2 + = 106 S cm 2 mole - 1 , SO 4 2 - = 160 S cm 2 mole - 1 . The value of MgSO 4 (in S cm 2 mole - 1 ) is05 Aug, 2021 (E)Conductance and Conductivity
  34. 34Salts of A (atomic weight 8 ), B (atomic weight 18 ) and C (atomic weight 50 ) were electrolysed under identical conditions using the same q04 Aug, 2021 (M)Conductance and Conductivity
  35. 35Copper is to be electrodeposited on a nickel block of area by using as electrolyte. How much quantity of electricity is needed to deposit a 14 Sep, 2020 (M)Cells and Electrode Potential, Nernst Equation
  36. 36displaces hydrogen from acids but copper does not. A galvanic cell prepared by combining and has an EMF of at . If the potential of copper e14 Sep, 2020 (E)Cells and Electrode Potential, Nernst Equation
  37. 37What is the standard cell potential for the reaction with (equilibrium constant)11 Sep, 2020 (M)Cells and Electrode Potential, Nernst Equation
  38. 38A solution of is titrated potentiometrically using solution. When is titrated, the EMF of the system in is (Given, and11 Sep, 2020 (E)Cells and Electrode Potential, Nernst Equation
  39. 39Silver electrode acts as anode and is10 Sep, 2020 (M)Cells and Electrode Potential, Nernst Equation
  40. 40The maximum work that can be obtained from the following cells is Given,10 Sep, 2020 (E)Cells and Electrode Potential, Nernst Equation
  41. 41The value of E 1 o is09 Sep, 2020 (M)Cells and Electrode Potential, Nernst Equation
  42. 42Which one of the following has the highest molar conductivity?09 Sep, 2020 (E)Conductance and Conductivity
  43. 43If ' ' is the reactant and ' ' is the product, which one of the following is the correct form of Nernst equation?06 May, 2019 (M)Cells and Electrode Potential, Nernst Equation
  44. 44Consider the systems having liquid-solid interface, (A) copper wire in silver nitrate solution and (B) silver wire in copper sulphate soluti04 May, 2019 (M)Cells and Electrode Potential, Nernst Equation
  45. 45For a half-cell containing a Pt rod immersed in a solution of is bubbled at . The standard reduction potential for water formation is . Give04 May, 2019 (E)Cells and Electrode Potential, Nernst Equation
  46. 46A current of is passed through an aqueous solution of copper sulphate using copper electrodes. What is the mass (ing) of copper deposited at03 May, 2019 (M)Concentration cell
  47. 47The following results have been obtained during the kinetic studies of reaction: 2 NO + 2 H 2 N 2 + 2 H 2 O Expt - d [ NO ] dt molL - 1 s - 03 May, 2019 (E)Conductance and Conductivity
  48. 48Which is the correct equation for the reaction of AgCl with NH 4 OH ?03 May, 2019 (E)Cells and Electrode Potential, Nernst Equation
  49. 49What is the approximate standard free energy change per mole of (in ) for a Daniel cell at ?07 May, 2018 (M)Cells and Electrode Potential, Nernst Equation
  50. 50Limiting molar conductivity of and ions in water is 106.0 and . The limiting molar conductivity of magnesium chloride (in ) in water is05 May, 2018 (M)Conductance and Conductivity

Frequently Asked Questions

1.How many questions are available for Electrochemistry?

This chapter includes 84 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 Electrochemistry chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.

3.Is Electrochemistry an important chapter for TS EAMCET Chemistry?

Electrochemistry has appeared in 25 of the 25 years of TS EAMCET papers covered here, with 84 questions across 63 papers - about one per paper it appears in.

4.What is the difficulty level of Electrochemistry questions in TS EAMCET?

Of the 84 questions analysed for this chapter, 49% are easy, 43% moderate and 8% tough. 2022 had the most, with 8 questions.

5.Which topics in Electrochemistry should I focus on?

These topics have carried the most weightage in Electrochemistry:

  • Cells and Electrode Potential, Nernst Equation - 62 questions (74%)
  • Conductance and Conductivity - 17 questions (20%)
  • Commercial Cells and Batteries - 4 questions (5%)
  • Conductance and Conductivity has produced the most tough questions (3).
6.Is Electrochemistry's weightage in TS EAMCET going up or down?

Across all 63 papers analysed, Electrochemistry has averaged about 1.3 questions per paper. In the last three years (2022–2024), that average has stayed about the same, at about 1.2 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.