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Chemistry - Electrochemistry

Practise 299 MHTCET previous year questions on Electrochemistry, compiled from papers spanning 2007 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 MHTCET tests.

Electrochemistry has been asked in 16 of the 17 years of MHTCET papers analysed (2007–2026), with 299 questions in all. 42% of them were easy, 52% moderate and 6% tough. Most of its questions came from 2025, with 47 questions that year. In the last three years (2024–2026) it had 140 questions across 59 papers, about 2.4 per paper.

The chapter's 6 topics are not weighted equally: Cells and Electrode Potential, Nernst Equation (157 questions, 53%), Conductance and Conductivity (114 questions, 38%), and Commercial Cells and Batteries (23 questions, 8%) have been asked the most. Cells and Electrode Potential, Nernst Equation has also led over the last five years, with 108 questions. Cells and Electrode Potential, Nernst Equation has produced the most tough questions (11).

  1. 1What is the molar conductivity of M KI solution if its conductivity is ?20 Apr, 2026 (M)Conductance and Conductivity
  2. 2What is the quantity of electricity required to produce g of Mg (molar mass = ) from solution ?20 Apr, 2026 (M)Cells and Electrode Potential, Nernst Equation
  3. 3Which of the following reactions occurs at cathode during recharging of lead accumulator ?20 Apr, 2026 (M)Commercial Cells and Batteries
  4. 4Which of the following expressions indicates the correct relationship between molar conductivity of strong electrolyte and its concentration20 Apr, 2026 (E)Conductance and Conductivity
  5. 5If molar conductance at infinite dilution for and ions are and respectively, molar conductivity of M is . What is the hydrogen ion concentra20 Apr, 2026 (E)Conductance and Conductivity
  6. 6Determine the electrode potential of at if is V.20 Apr, 2026 (E)Cells and Electrode Potential, Nernst Equation
  7. 7During the electrolysis of aqueous NaCl the product formed at cathode is?19 Apr, 2026 (M)Cells and Electrode Potential, Nernst Equation
  8. 8What is the conductivity of solution having cell constant and resistance ?19 Apr, 2026 (M)Conductance and Conductivity
  9. 9What is number of moles of electron passed when a current of Amp flows through solution of electrolyte for minutes?19 Apr, 2026 (M)Cells and Electrode Potential, Nernst Equation
  10. 10What must be the molarity of solution to have molar conductivity and conductivity at ?19 Apr, 2026 (E)Conductance and Conductivity
  11. 11What is molar conductivity of at zero concentration if the molar conductivities of , and at zero concentrations are respectively x, y and z 19 Apr, 2026 (E)Conductance and Conductivity
  12. 12Which of the following net cell reactions occurs in a galvanic cell containing cadmium electrode and standard hydrogen electrode? .18 Apr, 2026 (M)Cells and Electrode Potential, Nernst Equation
  13. 13For a certain redox reaction in galvanic cell , cell is at . What is equilibrium constant of reaction?18 Apr, 2026 (M)Cells and Electrode Potential, Nernst Equation
  14. 14If standard reduction potential of four electrodes A, B, C, D are and respectively. When is the standard emf of cell maximum?18 Apr, 2026 (E)Cells and Electrode Potential, Nernst Equation
  15. 15If standard reduction potential of Zn, Ni and Fe are , and respectively. For the reaction (Stated below) to be spontaneous find out electrod18 Apr, 2026 (E)Cells and Electrode Potential, Nernst Equation
  16. 16A galvanic cell consist copper electrode and standard hydrogen electrode. If , then identify a reaction taking place at positive electrode d18 Apr, 2026 (E)Cells and Electrode Potential, Nernst Equation
  17. 17The conductivity of 0.02 M of KCl solution at 298 K is 0.0123 . If the resistance of the cell containing this solution is 120 ohms, what is 17 Apr, 2026 (M)Conductance and Conductivity
  18. 18Which of the following hot aqueous solutions is used to dip carbon rods of fuel cell ?17 Apr, 2026 (M)Commercial Cells and Batteries
  19. 19If the emf of cell, is 0.463 V at and standard potential of Cu electrode is 0.337 V. Find the standard potential of Ag electrode17 Apr, 2026 (M)Cells and Electrode Potential, Nernst Equation
  20. 20If standard reduction potential of , , and are V, V, V and V respectively. Which of the following reaction is non spontaneous ?17 Apr, 2026 (E)Cells and Electrode Potential, Nernst Equation
  21. 21The graphical variation of molar conductivity against square root of molar concentration of certain electrolyte 'X' is linear with intercept17 Apr, 2026 (E)Conductance and Conductivity
  22. 22What is the change in oxidation number of Pb at positive electrode of lead accumulator acting as galvanic cell ?17 Apr, 2026 (E)Commercial Cells and Batteries
  23. 23What happens during the discharge of a lead storage battery?16 Apr, 2026 (M)Commercial Cells and Batteries
  24. 24The cells A and B contain aqueous solutions of ferrous chloride and ferric chloride respectively. The mass of iron deposited by the same qua16 Apr, 2026 (M)Cells and Electrode Potential, Nernst Equation
  25. 25Identify the reaction from following so that the standard potential of electrode is 0.34 V. with respective to SHE ?16 Apr, 2026 (M)Cells and Electrode Potential, Nernst Equation
  26. 26Which of the following reactions takes place at anode during the electrolysis of molten NaCl?16 Apr, 2026 (E)Cells and Electrode Potential, Nernst Equation
  27. 27What mass of silver (Atomic mass = 108 g/mol) deposited by a quantity of electricity which displaces 5600 mL of at STP ?16 Apr, 2026 (E)Cells and Electrode Potential, Nernst Equation
  28. 28The molar conductivity of M type salt solution at K is . Find the conductivity.15 Apr, 2026 (M)Conductance and Conductivity
  29. 29Which from following statements regarding mercury battery is NOT true?15 Apr, 2026 (M)Commercial Cells and Batteries
  30. 30The molar conductivity of M monobasic acid at is ohm cm mol . The molar conductivity of the same acid at infinite dilution is ohm cm mol . C15 Apr, 2026 (M)Conductance and Conductivity
  31. 31Which of the following is an electrolyte in dry cell ?15 Apr, 2026 (E)Commercial Cells and Batteries
  32. 32The of cell is 1.5 V if is V then will be15 Apr, 2026 (E)Cells and Electrode Potential, Nernst Equation
  33. 33Calculate the concentration of silver nitrate solution if molar conductivity and conductivity of silver nitrate at C are respectively 120 oh15 Apr, 2026 (E)Conductance and Conductivity
  34. 34Identify the correct name of law. "At infinite dilution each ion migrates independent of co-ion and contributes to total molar conductivity 13 Apr, 2026 (M)Conductance and Conductivity
  35. 35Identify from following cell reactions that is spontaneous under standard state of conditions.13 Apr, 2026 (M)Cells and Electrode Potential, Nernst Equation
  36. 36Calculate the molar conductivity of 0.2 M KCl solution at 298 K ( cm )13 Apr, 2026 (M)Conductance and Conductivity
  37. 37Which of the following solutions will have the highest electrical conductivity?13 Apr, 2026 (E)Conductance and Conductivity
  38. 38Which of the following statements is correct regarding the cathode of electrochemical cell ?13 Apr, 2026 (E)Cells and Electrode Potential, Nernst Equation
  39. 39Which of the following reaction is possible at anode?13 Apr, 2026 (E)Cells and Electrode Potential, Nernst Equation
  40. 40Identify the function of salt bridge.11 Apr, 2026 (M)Concentration cell
  41. 41Which of the following statements is true about the voltaic cell?11 Apr, 2026 (M)Commercial Cells and Batteries
  42. 42Which of the following statements is correct regarding electrolysis of molten NaCl?11 Apr, 2026 (M)Cells and Electrode Potential, Nernst Equation
  43. 43At K, the specific conductance ( ) of a M NaCl solution is . Calculate the molar conductivity ( ) of the solution in .11 Apr, 2026 (M)Conductance and Conductivity
  44. 44Match List I with List II. List I (Conversion) List II (Number of Faraday required) A. mole of to I. B. mol of to II. C. mol of Ca from molt11 Apr, 2026 (E)Cells and Electrode Potential, Nernst Equation
  45. 45Which from following options is true when an electrolyte solution is diluted ?11 Apr, 2026 (E)Conductance and Conductivity
  46. 46The standard potential of is V at K. Calculate its potential at the same temperature when the ion concentration is M.11 Apr, 2026 (E)Cells and Electrode Potential, Nernst Equation
  47. 47What is percent dissociation of if molar conductance at zero concentration for and NaOH are 130,109 and respectively and molar conductivity 05 May, 2025 (E)Conductance and Conductivity
  48. 48What is the SI unit of resistivity?05 May, 2025 (E)Conductance and Conductivity
  49. 49Which among the following is common for electrolysis of molten NaCl and aqueous NaCl ?27 Apr, 2025 (E)Cells and Electrode Potential, Nernst Equation
  50. 50Calculate the quantity of electricity required to liberate of chlorine at STP during the electrolysis of fused sodium chloride?27 Apr, 2025 (E)Cells and Electrode Potential, Nernst Equation

Frequently Asked Questions

1.How many questions are available for Electrochemistry?

This chapter includes 299 questions compiled from MHTCET papers spanning 2007 to 2026.

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

These are MHTCET 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 MHTCET Chemistry?

Electrochemistry has appeared in 16 of the 17 years of MHTCET papers covered here, with 299 questions across 106 papers - about 3 per paper it appears in.

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

Of the 299 questions analysed for this chapter, 42% are easy, 52% moderate and 6% tough. 2025 had the most, with 47 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 - 157 questions (53%)
  • Conductance and Conductivity - 114 questions (38%)
  • Commercial Cells and Batteries - 23 questions (8%)
  • Cells and Electrode Potential, Nernst Equation has produced the most tough questions (11).
6.Is Electrochemistry's weightage in MHTCET going up or down?

Across all 106 papers analysed, Electrochemistry has averaged about 2.8 questions per paper. In the last three years (2024–2026), that average has fallen, at about 2.4 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.