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Chemistry - Electrochemistry

Practise 199 NEET NTA questions on Electrochemistry. Each question shows a quick preview so you can jump straight to the topic you want to revise.

Electrochemistry has been asked in 0 of the 38 years of NEET NTA papers analysed (1988–2025), with 199 questions in all. 100% of them were easy, 0% moderate and 0% tough. Most of its questions came from 2025, with 0 questions that year. In the last three years (2023–2025) it had 0 questions across 6 papers, about 0 per paper.

All of the chapter's questions come from a single topic, Uncategorized.

  1. 1The limiting molar conductivities Λ o for NaCl, KBr and KCl are 126, 152 and 150 S c m 2 m o l - 1 respectively. The Λ o for NaBr is
  2. 2If E F e 2 + | F e o = - 0.44 V , E F e 3 + | F e 2 + o = 0.77 V . The value of E F e 3 + | F e o is
  3. 3Equivalent conductance of 0.1 M HA (weak acid) solution is 10 S c m 2 equivalent - 1 and that at infinite dilution is 200 S c m 2 equivalent
  4. 4On the basis of information available for the reaction. 4 3 Al + O 2 → 2 3 Al 2 O 3 ; ΔG = –827 kJ/mol of O 2 The minimum emf required to ca
  5. 5In the electrolysis of silver nitrate, the mass of silver deposited is plotted against the charge Slope of the line gives
  6. 6On heating one end of a piece of a metal, the other end becomes hot because of
  7. 7Red hot carbon will remove oxygen from the oxides XO and YO not from ZO. Y will remove oxygen from XO. Use this evidence to deduce the order
  8. 8The value of E M + / M o of four metals A , B , C and D are - 1 . 2 V , 0 . 6 V , 0 . 85 V and - 0 . 76 V , respectively. The order of tende
  9. 9A button cell used in watches functions as follows Zn s + Ag 2 O s + H 2 O ⇌ 2 Ag s + Zn 2 + aq + 2 OH − If half cell potentials are Z n 2 +
  10. 10Molar conductivity of a solution of an electrolyte A B 3 is 150 S c m 2 m o l - 1 . If it ionizes as AB 3 → A 3 + + 3 B − , its equivalent c
  11. 11Z n | Z n 2 + ( C 1 ) | | Z n 2 + ( C 2 ) | Z n . For this cell Δ G is negative if
  12. 1219 g of molten S n C l 2 is electrolysed for sometime using inert electrodes. 0.119 g of Sn is deposited at the cathode. No substance is los
  13. 13The equivalent conductance of 1 M benzoic acid is 12.8 o h m - 1 c m 2 and if the conductance of benzoate ion and H + ion at infinite diluti
  14. 14E . M . F . of the given below cell will not be zero because P t ( H 2 , 1 a t m ) / 0.1 M H C l || 0.1 M acetic acid /( H 2 , 1 a t m ) Pt
  15. 15Consider the following relations for emf of an electrochemical cell ( i ) EMF of cell = (oxidation potential of anode) - (Reduction potentia
  16. 16The oxidation potential of a hydrogen electrode at pH = 10 and P H 2 = 1 atm
  17. 17A fuel cell involves combustion of the butane at 1 atm and 298 K, C 4 H 10 ( g ) + 13 2 O 2 ( g ) → 4 C O 2 ( g ) + 5 H 2 O ( l ) Δ G ° = -
  18. 18Each of the three metals X, Y and Z were put in turn into aqueous solution of the other two. X + Salt of Y (or Z) = Y (or Z) + Salt of X. Wh
  19. 19From the given standard electrode potentials of two half cells F e + + + 2 e - → F e ; E o = - 0.440 V F e + + + + 3 e - → F e ; E o = - 0.0
  20. 20According to the following diagram, A reduces B O 2 when the temperature is
  21. 21The emf of the following three galvanic cells. I . Z n / Z n 2 + ( 1 M ) | | C u 2 + ( 1 M ) / C u I I . Z n / Z n 2 + ( 0.1 M ) | | C u 2 +
  22. 22For the reaction C H 3 C O O H ( l ) + C 2 H 5 ( l ) ⇌ C H 3 C O O C 2 H 5 ( l ) + H 2 O ( l ) the value of equilibrium constant (K) is 4 at
  23. 23Electrolyte used in Ni-Cd cell
  24. 24For Daniell cell, Z n ( s ) + C u 2 + ( a q ) ⇌ C u ( s ) + Z n 2 + ( a q ) The reaction quotient Q is given by Q = [ Z n 2 + ] [ C u 2 + ]
  25. 25An electrochemical cell stops working after sometime because
  26. 26What happens to conductance of solution of a weak electrolyte, when heated
  27. 27Using electrolytic method, the cost of production of 5 L of oxygen at S T P , is Rs X , the cost of production of same volume of hydrogen at
  28. 28An electrolytic cell is constructed for preparing hydrogen. For an average current of 2 ampere in the circuit, the time required to produce
  29. 29How long (approximate) should water be electrolysed by passing through 100 amperes current so that the oxygen released can completely burn 2
  30. 30The resistance of 1 N solution of acetic acid is 250 ohm , when measured in a cell having a cell constant of 1.15 c m - 1 . The equivalent c
  31. 31The potential difference across the terminals of a cell varies with the current drawn from the cell, according to the graph
  32. 32Assuming no change in volume, the time required to obtain solution of pH = 12 by electrolysis of 50 mL 0.1 M NaCl (using current of 0.5 amp)
  33. 33A hydrogen gas electrode is made by dipping platinum wire in a solution of HCl of pH = 10 and by passing hydrogen gas around the platinum wi
  34. 34The values of Λ e q ∞ for N H 4 C l , NaOH and NaCl are, respectively, 149.74, 248.1 and 126.4 o h m - 1 c m 2 e q - 1 . The value of Λ e q
  35. 35A device that converts energy of combustion of fuels like hydrogen and methane, directly into electrical energy is known as
  36. 36Electrode potential data given below C l 2 + 2 H 2 O → 2 C l O - + 4 H + + 2 e - ; E ° = - 1.61 v o l t C l O - + 2 H 2 O → C l O 3 - + 4 H
  37. 37Which one of the following is the correct plot of m ( in s cm 2 mol 1 ) and c ( in ( mol L ) 1 2 ) for KCI solution? ( y = m ; x = c )
  38. 38Two different electrolytic cells filled with molten C u ( N O 3 ) 2 and molten A l ( N O 3 ) 3 respectively are connected in series. When el
  39. 39Copper sulphate solution does not react with
  40. 40Electrolysis of an acetate solution produces ethane according to the Kolbe reaction: 2 C H 3 C O O - → C 2 H 6 + 2 C O 2 + 2 e - What volume
  41. 41The standard e.m.f of a cell, involving one electron change is found to be 0.591 V at 2 5 o C . The equilibrium constant of the reaction is
  42. 42In a hydrogen–oxygen fuel cell, combustion of hydrogen occurs to
  43. 43Three Faraday of electricity is passed through aqueous solutions of A g N O 3 , N i S O 4 and C o C l 3 kept in three vessels using inert el
  44. 44What is the standard reduction potential E o for F e 3 + → F e ? Given that: F e 2 + + 2 e - → F e ; E F e 2 + / F e o = - 0.47 V F e 3 + +
  45. 45Salts of A (atomic mass 15), B (atomic mass 27) and C (atomic mass 48) were electrolysed using same amount of charge. It was found that when
  46. 46The E M 3 + / M 2 + o values for Cr, Mn, Fe and Co are -0.41, +1.57, +0.77 and +1.97 V respectively. For which one of following metal the ch
  47. 47In the given cell representation Z n | Z n 2 + | | C u 2 + | C u , which is the negative electrode?
  48. 48Given that I 2 + 2 e - → 2 I ⊖ ; E ⊖ = 0.54 V B r 2 + 2 e - → 2 B r ⊖ ; E ⊖ = 1.69 V Predict which of the following is true
  49. 49Which of the following graph correctly represents the variation of molar conductance ( Δ m ) with dilution for a strong electrolyte?
  50. 50The logarithm of the equilibrium constant of the cell reaction corresponding to the cell X ( s ) | X 2 + ( a q ) | | Y + ( a q ) | Y ( s ) w

Frequently Asked Questions

1.How many questions are available for Electrochemistry?

This chapter includes 199 NEET NTA questions.

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

These are NEET NTA questions specifically for the Electrochemistry chapter. Questions from other exams like NEET or AIIMS are organised separately under their respective exam sections.

3.What is the difficulty level of Electrochemistry questions in NEET NTA?

Of the 199 questions analysed for this chapter, 100% are easy, 0% moderate and 0% tough. 2025 had the most, with 0 questions.

4.Which topics in Electrochemistry should I focus on?

All of this chapter's questions come from a single topic: Uncategorized.