12th Class Chemistry Electrochemistry / विद्युत् रसायन

  • question_answer 64)
      What does the negative sign in the expression  mean?

    Answer:

                        Greater the negative reactivity of standard reduction potential of metal greater is its reactivity. It means that Zn is more reactive than hydrogen. When zinc electrode will be connected to standard hydrogen electrode, Zn will get oxidised and H4' will get reduced. Thus, zinc electrode will be the anode of the cell and hydrogen electrode will be the cathode of the cell.


You need to login to perform this action.
You will be redirected in 3 sec spinner