The extent of charge of a lead accumulator is determined by

In the experiment set up for the measurement of $EMF$ of a half-cell using a reference electrode and a salt bridge,when the salt bridge is removed,the voltage

Which of the following cannot be considered as an application of the electrochemical series?

Which of the following metals will not react with a solution of $CuSO_4$?

When does an electrochemical cell behave as an electrolytic cell?

Which of the following net cell reactions takes place in a galvanic cell containing a copper electrode and a standard hydrogen electrode $(SHE)$? Given: $E^{\circ}(Cu^{2+}_{(aq)} \mid Cu_{(s)}) = +0.34 \ V$.