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

Electrochemistry question

2020 · 5 Sep · Shift 1 · Q15
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Chemistry
  4. /Electrochemistry
  5. /2020 · 5 Sep · Shift 1 · Q15

Electrochemistry question

2020 · 5 Sep · Shift 1 · Q15

JEE MainChemistryElectrochemistryNumerical+4 / −1
An oxidation-reduction reaction in which 3 electrons are transferred has a Δ\DeltaΔ Gº of 17.37 kJ mol–1 at 25 oC. The value of Eo cell (in V) is ‾\underline{\hspace{2cm}}​ × 10–2. (1 F = 96,500 C mol–1)
Numerical answer
PreviousNext

More from Electrochemistry

  • The variation of molar conductivity with concentration of an electrolyte (X) in aqueous solution is shown in the given figure. The electrolyte X is : Includes diagram2020 · MCQ
  • Potassium chlorate is prepared by the electrolysis of KCl in basic solution 6OH−+Cl− → ClO3−​+3H2​O+6e− If only 60% of the current is utilized in the reaction, the time (rounded to the nearest hour) required to produce…2020 · Numerical
  • For the given cell : Cu(s) | Cu2+(C1M) || Cu2+(C2M) | Cu(s) change in Gibbs energy (Δ G) is negative, if :2020 · MCQ
  • Given that the standard potentials (Eo) of Cu2+/Cu and Cu+/Cu are 0.34 V and 0.522 V respectively, the Eo of Cu2+/Cu+ :2020 · MCQ
  • The equation that is incorrect is :2020 · MCQ
  • What would be the electrode potential for the given half cell reaction at pH = 5? ​. 2H2​O → O2​ + 4H ⊕ + 4e– ; Ered0​ = 1.23 V (R = 8.314 J mol–1 K–1 ; Temp = 298 k; oxygen under std. atm.…2020 · Numerical
  • For an electrochemical cell Sn(s) | Sn2+ (aq,1M)||Pb2+ (aq,1M)|Pb(s) the ratio [Pb2+][Sn2+]​ when this cell attains equilibrium is ​. (Given…2020 · Numerical
  • 108 g of silver (molar mass 108 g mol–1) is deposited at cathode from AgNO3​(aq) solution by a certain quantity of electricity. The volume (in L) of oxygen gas produced at 273 K and 1 bar pressure from water by the same quantity of…2020 · Numerical