MHT CET202313 May 2023Morning ShiftChemistryElectrochemistryActual
Calculate E _ cell ^ if the equilibrium constant for following reaction is 1.2 10^6 . 2 Cu _ ( aq ) ⁺ Cu _ ( aq ) ⁺⁺+ Cu _ ( s )
Options
- A0.36 ~V
- B-0.36 ~V
- C-0.18 ~V
- D0.18 ~V
Correct answer
A. 0.36 ~V
Step-by-step solution
aligned & E _ cell ^0= 0.0592 n ₁₀ ~K at 298 ~K & Cu _ ( mq ) ⁺+ e ⁻ Cu _ ( s ) & Cu _ (aq) ⁺ Cu _ (aq) ²⁺+ e ⁻ 2 Cu _ (aq) ⁺ Cu _ ( aq) ²⁺+ Cu _ ( s ) & n =1 & E _ eell ^0= 0.0592 1 ₁₀ (1.2 10^6 ) & =0.0592 ( 1.2+ 10^6 ) & =0.0592(0.079+6) & =0.0592 6.079 & =0.36 ~V & aligned