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Chemistry - Electrochemistry

Practise 28 Manipal (MET) previous year questions on Electrochemistry, compiled from papers spanning 2010 to 2024. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty Manipal (MET) tests.

Electrochemistry has been asked in 15 of the 15 years of Manipal (MET) papers analysed (2010–2024), with 28 questions in all. 43% of them were easy, 46% moderate and 11% tough. Most of its questions came from 2011, with 4 questions that year. In the last three years (2022–2024) it had 3 questions across 3 papers, about 1 per paper.

The chapter's 4 topics are not weighted equally: Cells and Electrode Potential, Nernst Equation (20 questions, 71%), Conductance and Conductivity (6 questions, 21%), and Commercial Cells and Batteries (1 question, 4%) have been asked the most. Cells and Electrode Potential, Nernst Equation has also led over the last five years, with 4 questions. Cells and Electrode Potential, Nernst Equation has produced the most tough questions (2).

  1. 1For the cell reaction, is 0.46 V . The equilibrium constant of the reaction is2024Cells and Electrode Potential, Nernst Equation
  2. 2Value of is in the given diagram (ignore -ve sign)2023Cells and Electrode Potential, Nernst Equation
  3. 3From the following molar conductivities at infinite dilution, (in ) for is2022Conductance and Conductivity
  4. 4The standard reduction potential for and electrodes are -0.44 and -0.14 volt respectively. For the cell reaction , the standard emf is2021Cells and Electrode Potential, Nernst Equation
  5. 5Certain electric current for half an hour can collect 11.2 L of hydrogen at NTP. Same current when passed through an electrolytic solution f2020Cells and Electrode Potential, Nernst Equation
  6. 6The specific conductivity of 0.1 N KCl solution is . The resistance of the solution in the cell is 100 ohm. The cell constant of the cell wi2019Conductance and Conductivity
  7. 7The standard emf of a cell , if electrode potentials for and and 0.763 V and -0.44 V respectively is2019Cells and Electrode Potential, Nernst Equation
  8. 8The standard reduction potentials for two half-cell reactions are given below. The standard free energy change for the reaction2018Cells and Electrode Potential, Nernst Equation
  9. 9The reaction is spontaneous if the cell potential is2017Cells and Electrode Potential, Nernst Equation
  10. 101 C electricity deposits2016Cells and Electrode Potential, Nernst Equation
  11. 11The standard reduction potential for half reactions are, The emf of the cell reaction; is2015Cells and Electrode Potential, Nernst Equation
  12. 12The coagulating power of an electrolyte for arsenious sulphide decrease in order2015Conductance and Conductivity
  13. 13How long (in hours) must a current of 5.0 A be maintained to electroplate 60 g of calcium from molten ?2015Conductance and Conductivity
  14. 14Suppose that gold is being plated on to another metal in an electrolytic cell. The half-cell reaction producing the is If a 0.30 A current r2014Cells and Electrode Potential, Nernst Equation
  15. 15What is the cell potential (standard emf, ) for the reaction below?2014Cells and Electrode Potential, Nernst Equation
  16. 16Consider the following redox reaction occurring in acidic medium The unknown standard reduction potential is2013Cells and Electrode Potential, Nernst Equation
  17. 17The spontaneous reaction that takes place in this cell is2013Cells and Electrode Potential, Nernst Equation
  18. 18In which of the following case, increase in concentration of ion cause increase in ?2012Cells and Electrode Potential, Nernst Equation
  19. 19Which of the following is not used as propellant?2012Commercial Cells and Batteries
  20. 20Out of and Zn , the metal which can displace all others from their salt solution, is2012Cells and Electrode Potential, Nernst Equation
  21. 21Rusting of iron is catalysed by which of the following?2011Corrosion
  22. 22Standard electrode potential of NHE at 298 K is2011Cells and Electrode Potential, Nernst Equation
  23. 23For a cell reaction involving a two electron change, the standard emf of the cell is found to be 0.295 V at . The equilibrium constant of th2011Cells and Electrode Potential, Nernst Equation
  24. 24The ionic conductance of and are respectively 127 and at infinite dilution. The equivalent conductance (inohm ) of at infinite dilution will2011Conductance and Conductivity
  25. 25Both and have a coordination number of six. Which of the following pairs of complexes will show approximately the sáme 'electrical conductan2010Conductance and Conductivity
  26. 26A silver cup is plated with silver by passing 965 C of electricity. The amount of Ag deposited is2010Cells and Electrode Potential, Nernst Equation
  27. 27The standard emf of a cell involving one electron change is found to be 0.591 V at . The equilibrium constant of the reaction is2010Cells and Electrode Potential, Nernst Equation
  28. 28values of is -2.37 V , of is -0.76 V and is -0.44 V . Which of the statements is correct?2010Cells and Electrode Potential, Nernst Equation

Frequently Asked Questions

1.How many questions are available for Electrochemistry?

This chapter includes 28 questions compiled from Manipal (MET) papers spanning 2010 to 2024.

2.Are these questions only from Manipal (MET), or from other exams too?

These are Manipal (MET) 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 Manipal (MET) Chemistry?

Electrochemistry has appeared in 15 of the 15 years of Manipal (MET) papers covered here, with 28 questions across 15 papers - about 2 per paper it appears in.

4.What is the difficulty level of Electrochemistry questions in Manipal (MET)?

Of the 28 questions analysed for this chapter, 43% are easy, 46% moderate and 11% tough. 2011 had the most, with 4 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 - 20 questions (71%)
  • Conductance and Conductivity - 6 questions (21%)
  • Commercial Cells and Batteries - 1 question (4%)
  • Cells and Electrode Potential, Nernst Equation has produced the most tough questions (2).
6.Is Electrochemistry's weightage in Manipal (MET) going up or down?

Across all 15 papers analysed, Electrochemistry has averaged about 1.9 questions per paper. In the last three years (2022–2024), that average has fallen, at about 1.0 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.