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

Electrochemistry question

2022 · 29 Jul · Shift 2 · Q18
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Chemistry
  4. /Electrochemistry
  5. /2022 · 29 Jul · Shift 2 · Q18

Electrochemistry question

2022 · 29 Jul · Shift 2 · Q18

JEE MainChemistryElectrochemistryNumerical+4 / −1
For a cell, Cu(s)∣Cu2+(0.001 M)∥Ag+(0.01 M)∣Ag(s)\mathrm{Cu}(\mathrm{s})\left|\mathrm{Cu}^{2+}(0.001 \,\mathrm{M}) \| \mathrm{Ag}^{+}(0.01 \,\mathrm{M})\right| \mathrm{Ag}(\mathrm{s})Cu(s)​Cu2+(0.001M)∥Ag+(0.01M)​Ag(s) the cell potential is found to be 0.43 V0.43 \mathrm{~V}0.43 V at 298 K298 \mathrm{~K}298 K. The magnitude of standard electrode potential for Cu2+/Cu\mathrm{Cu}^{2+} / \mathrm{Cu}Cu2+/Cu is ‾\underline{\hspace{2cm}}​×10−2 V\times 10^{-2} \mathrm{~V}×10−2 V. [Given : EAg+/AgΘE_{A{g^ + }/Ag}^\ThetaEAg+/AgΘ​= 0.80 V and 2.303RTF{{2.303RT} \over F}F2.303RT​ = 0.06 V]
Numerical answer
PreviousNext

More from Electrochemistry

  • A dilute solution of sulphuric acid is electrolysed using a current of 0.10 A for 2 hours to produce hydrogen and oxygen gas. The total volume of gases produced a STP is ​ cm3. (Nearest integer) [Given : Faraday…2022 · Numerical
  • The cell potential for the given cell at 298 K Pt| H2​ (g, 1 bar) | H+ (aq) || Cu2+ (aq) | Cu(s) is 0.31 V. The pH of the acidic solution is found to be 3, whereas the concentration of Cu2+ is 10 − x M. The value of x is ​…2022 · Numerical
  • In which of the following half cells, electrochemical reaction is pH dependent?2022 · MCQ
  • If the conductivity of mercury at 0 ∘ C is 1.07 × 106 S m − 1 and the resistance of a cell containing mercury is 0.243 Ω, then the cell constant of the cell is x × 104 m − 1. The value of x is ​…2021 · Numerical
  • A 5.0 m mol dm − 3 aqueous solution of KCl has a conductance of 0.55 mS when measured in a cell of cell constant 1.3 cm − 1. The molar conductivity of this solution is ​ mSm2 mol − 1. (Round off to the…2021 · Numerical
  • A KCl solution of conductivity 0.14 S m − 1 shows a resistance of 4.19 Ω in a conductivity cell. If the same cell is filled with an HCl solution, the resistance drops to 1.03 Ω. The conductivity of the HCl solution is ​×…2021 · Numerical
  • For the reaction 2Fe3+(aq) + 2I −(aq) → 2Fe2+(aq) + I2​(s) the magnitude of the standard molar Gibbs free energy change, Δ rG mo​=−​ kJ (Round off to the Nearest Integer). [EFe2+/Fe(s)o​=−0.440V;EI2​/2I−o​=0.539V;​EFe3+/Fe(s)o​=−0.036VF=96500C​]…2021 · Numerical
  • The molar conductivities at infinite dilution of barium chloride, sulphuric acid and hydrochloric acid are 280, 860 and 426 S cm2 mol − 1 respectively. The molar conductivity at infinite dilution of barium sulphate is ​…2021 · Numerical