Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

Electrochemistry question

2025 · 29 Jan · Shift 2 · Q20
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Chemistry
  4. /Electrochemistry
  5. /2025 · 29 Jan · Shift 2 · Q20

Electrochemistry question

2025 · 29 Jan · Shift 2 · Q20

JEE MainChemistryElectrochemistryMCQ+4 / −1
O2\mathrm{O}_2O2​ gas will be evolved as a product of electrolysis of : (A) an aqueous solution of AgNO3\mathrm{AgNO}_3AgNO3​ using silver electrodes. (B) an aqueous solution of AgNO3\mathrm{AgNO}_3AgNO3​ using platinum electrodes. (C) a dilute solution of H2SO4\mathrm{H}_2 \mathrm{SO}_4H2​SO4​ using platinum electrodes. (D) a high concentration solution of H2SO4\mathrm{H}_2 \mathrm{SO}_4H2​SO4​ using platinum electrodes. Choose the correct answer from the options given below :
  1. A
    (B) and (C) only
  2. B
    (B) and (D) only
  3. C
    (A) and (D) only
  4. D
    (A)(A)(A) and (C)(C)(C) only
PreviousNext

More from Electrochemistry

  • Match List - I with List - II : Choose the correct answer from the options given below : Includes table2025 · MCQ
  • The potential for the given half cell at 298 K is (-) ​×10−2 V ​2H(aq)+​+2e−⟶H2​( g)[H+]=1M,PH2​​=2 atm​…2024 · Numerical
  • The amount of electricity in Coulomb required for the oxidation of 1 mol of H2​O to O2​ is ​×105C.2024 · Numerical
  • Consider the following redox reaction : MnO4−​+H++H2​C2​O4​⇌Mn2++H2​O+CO2​ The standard reduction potentials are given as…2024 · Numerical
  • One of the commonly used electrode is calomel electrode. Under which of the following categories, calomel electrode comes?2024 · MCQ
  • What pressure (bar) of H2​ would be required to make emf of hydrogen electrode zero in pure water at 25∘C ?2024 · MCQ
  • Fuel cell, using hydrogen and oxygen as fuels, A. has been used in spaceship B. has as efficiency of 40% to produce electricity C. uses aluminum as catalysts D. is eco-friendly E. is actually a type of Galvanic cell only Choose the…2024 · MCQ
  • For a strong electrolyte, a plot of molar conductivity against (concentration) 1/2 is a straight line, with a negative slope, the correct unit for the slope is2024 · MCQ