In the cell represented as $Ni_{(s)}|Ni_{(1M)}^{2+}||Ag_{(1M)}^{+}|Ag_{(s)}$,the reducing agent is

What is the chemical reaction that occurs during the discharging of a lead storage cell?

Which one of the following statements is true for a standard electrochemical cell involving $H_2$ and $Cu$ electrodes?

Which option is incorrect for the working cell? $Pt \mid Cl_{2(g, 1 \ bar)} \mid Cl_{(C_1)}^{-} \parallel Cl_{(C_2)}^{-} \mid Cl_{2(g, 1 \ bar)} \mid Pt$

Give the chemical reaction when a $Cu$ rod is kept in an $AgNO_{3}$ solution.

Which of the following statements is correct for the cell $Zn|Zn^{2+} \parallel Cu^{2+}|Cu$?