electrochemistry

Related Questions

• Equivalent conductance of saturated $BaS{{O}_{4}}$ is $400\,Oh{{m}^{-1}}\,c{{m}^{2}}\,equi{{v}^{-1}}$ and specific conductance is $8 imes {{10}^{-5}}\,Oh{{m}^{-1}}\,c{{m}^{-1}}$. Hence ${{K}_{sp}}$ of $BaS{{O}_{4}}$ is

  ---

• After the electrolysis a sodium chloride solution with inert electrodes for a certain period of time, 600 mL of a 1 N $NaOH$ solution was left. During the same time 31.80 g $Cu$ was deposited in a copper voltameter in series with the electrolytic cell. Calculate the percentage of $NaOH$ obtained (atomic weight of $Cu = 63.6$)

  ---

• Which of the following is correct expression for electrode potential of a cell

  ---

• The standard reduction potentials at 298 K for the following half reactions are given against each $Z{{n}^{2+}}(aq)+2{{e}^{-}}$ ? $Zn\,(s)$; – 0.762 $C{{r}^{3+}}(aq)+3{{e}^{-}}$ ? $Cr\,(s)$; – 0.740 $2{{H}^{+}}(aq)+2{{e}^{-}}$ ? ${{H}_{2}}(g)$; 0.00 $F{{e}^{3+}}(aq)+{{e}^{-}}$ ? $F{{e}^{2+}}(aq)$; 0.770 Which is the strongest reducing agent

  ---

• The cell potential of a cell in operation is

  ---