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Chemistry - Electrochemistry

Practise 27 KVPY previous year questions on Electrochemistry, compiled from papers spanning 2011 to 2020. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty KVPY tests.

  1. 1Upon dipping a copper rod, the aqueous solution of the salt that can turn blue is:-2020 (SB/SX)
  2. 2Electrolysis of concentrated aqueous solution of NaCl results in2019 (SB/SX)
  3. 3Among the following, the plot that correctly represents the conductometric titration of 0 . 05 M H 2 SO 4 with 0 . 1 M NH 4 OH is2018 (SB/SX)
  4. 4For the electrochemical cell shown below Pt | H 2 p = 1 atm | H + aq . , xM | Cu 2 + aq , 1 . 0 M Cu s The potential is 0 . 49 V at 298 K . 2018 (SB/SX)
  5. 5Which of the following transformations can be carried out by using HI as a rducing agent, under acidic conditions? [Given : (i) (ii) (iii) (19 Nov, 2017 (SA)
  6. 6The reducing ability of the metals and follons the order19 Nov, 2017 (SA)
  7. 7The limiting molar conductivities of the given electrolytes at follow the order19 Nov, 2017 (SB/SX)
  8. 8The following reaction takes place at in an electrochemical cell involving two metals and B, aq With and in the respective half-cells, the c19 Nov, 2017 (SB/SX)
  9. 9A constant current is passed for 1 hour through (i) aqueous , (ii) aqueous and (iii) molten , separately. The ratio of the mass of the metal05 Nov, 2017 (SB/SX)
  10. 10For electroplating, amp current is passed for 250 s through . of solution of . Only of the current was utilized for electrolysis. The molari2016 (SB/SX)
  11. 11The equilibrium constant of a 2 electron redox reaction at is . The cell potential (in and the free energy change (in ) for this equilibrium2016 (SB/SX)
  12. 12The specific conductance ( ) of aqueous acetic acid solution at is . The degree of dissociation of acetic acid is [Given : equivalent conduc2016 (SB/SX)
  13. 13Given the standard potentials and as and respectively, the value of is2016 (SB/SX)
  14. 14The amount of Ag (atomic mass ) deposited at the cathode when a current of is passed through a solution of for 1 hour is closest to:2015 (SA)
  15. 15Among , the metal that does not produce hydrogen gas in reaction with hydrochloric acid is.2015 (SA)
  16. 16The molar conductivities of , and at infinite dilution follow the order2015 (SB/SX)
  17. 17The standard reduction potentials (in V) of a few metal ion/metal electrodes are given below. The reducing strength of the metals follows th2015 (SB/SX)
  18. 18The standard cell potential for is . When the cell is completely discharged, is closest to2015 (SB/SX)
  19. 19The standard free energy change (in for the reaction given2014 (SB/SX)
  20. 20If the molar conductivities (in of and at infinite dilution are 126,150 and 250 respectively, the molar conductivity of in :2014 (SB/SX)
  21. 21The order of reactivity of and with water is2013 (SA)
  22. 22Which of the following metals will precipitate copper from copper sulphate solution?2013 (SA)
  23. 23The density of eq. wt of a metal are and 100 , respectively. The time required for a current of 3 amp to deposit a thick layer of the same m2013 (SB/SX)
  24. 24The standard electrode potential of is and that of is . The emf and the free energy change , respectively, for a Daniel cell will be2013 (SB/SX)
  25. 25The value of the limiting molar conductivity for and are 126.4, and , respectively. For HOAc, in is2011 (SB/SX)
  26. 26The standard Gibbs free energy change in ), in a Daniel cell ), when 2 moles of is oxidized at , is closest to2011 (SB/SX)
  27. 27If and , then is-2011 (SB/SX)

Frequently Asked Questions

1.How many questions are available for Electrochemistry?

This chapter includes 27 questions compiled from KVPY papers spanning 2011 to 2020.

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

These are KVPY 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 KVPY Chemistry?

Electrochemistry has appeared in 9 of the 11 years of KVPY papers covered here, with 27 questions across 13 papers - about 2 per paper it appears in.