electrochemistry

Related Questions

• When a rod of metal $A$ is dipped in an aqueous solution of metal $B$ (concentration of ${{B}^{2+}}$ ion being 1 M) at ${{25}^{o}}C$, the standard electrode potentials are ${{A}^{2+}}/A=-0.76\,volts,\,{{B}^{2+}}/B=+0.34\,volts$

  ---

• A solution of sodium sulphate in water is electrolysed using inert electrodes. The products at the cathode and anode are respectively

  ---

• The number of electrons passing per second through a cross-section of copper wire carrying $10^{–6}$ Amperes of current per second is found to be

  ---

• It has been observed that gaseous hydrogen chloride is a very poor conductor of electricity but a solution of hydrogen chloride gas in water is a good conductor of electricity. This is due to the fact that

  ---

• The cell reaction of the Galvanic cell, $C{{u}_{(s)}}|C{{u}^{2+}}_{(aq)}||H{{g}^{2+}}_{(aq)}|H{{g}_{(l)}}$ is [EAMCET 2003]

  ---