electrochemistry

Related Questions

• The number of Faradays needed to reduce 4 gram equivalents of $Cu^{++}$ to $Cu$ metal will be

  ---

• The specific conductance of a solution is $0.2\,Oh{{m}^{-1}}\,c{{m}^{-1}}$ and conductivity is $0.04\,Oh{{m}^{-1}}$. The cell constant would be

  ---

• Which of the following reactions occurs at the cathode during the charging of a lead storage battery

  ---

• The standard electrode potential of the half cells are given below $Z{{n}^{2+}}+2{{e}^{-}}\to Zn;\,E=-7.62\,V$, $F{{e}^{2+}}+2{{e}^{-}}\to Fe;\,E=-7.81\,V$ The emf of the cell $F{{e}^{2+}}+Zn\to Z{{n}^{2+}}+Fe$ is

  ---

• Assertion (A): Copper reacts with hydrochloric acid and liberates hydrogen from the solution of dilute hydrochloric acid Reason (R): Hydrogen is below copper in the electrochemical series

  ---