electrochemistry

Related Questions

• The quantity of electricity required to liberate $112 cm^3$ of hydrogen at STP from acidified water is

  ---

• The standard reduction potential for $F{{e}^{2+}}/Fe$ and $S{{n}^{2+}}/Sn$ electrodes are – 0.44 and – 0.14 volt respectively. For the given cell reaction $F{{e}^{2+}}+Sn\to Fe+S{{n}^{2+}}$, the standard emf is

  ---

• The mathematical expression for law of independent migration of ions and Ostwald's dilution law are given by

  ---

• What is the standard cell potential for the cell $Zn/Z{{n}^{2+}}(1M)||C{{u}^{2+}}(1M)/Cu$ ${{E}^{0}}$ for $Zn/Z{{n}^{2+}}(1M)=-0.76\,V$ and $C{{u}^{2+}}/Cu=+0.34\,V$

  ---

• Electrode potential data are given below : $F{{e}^{3+}}(aq)+{{e}^{-}}\to F{{e}^{-1}}(aq);\,{{E}^{0}}=+0.77\,V$; $A{{l}^{3+}}(aq)+3{{e}^{-}}\to A{{l}^{-1}}(s);\,{{E}^{0}}=-1.66\,V$; $B{{r}_{2}}(aq)+2{{e}^{-}}\to 2B{{r}^{-}}(aq);\,{{E}^{0}}=+1.08\,V$; Based on the data given above, reducing power of $F{{e}^{2+}}$, $Al$ and $B{{r}^{-}}$ will increase in the order

  ---