Consider the following statements about the application of electrochemical series. I. Comparison of relative oxidising and reducing powers of substances. II. Prediction of evolution of hydrogen during reaction of a metal with acid. III. Prediction of spontaneity of a redox reaction. IV. Calculation of amount of metal deposited at cathode. The true statement(s) is/are

Question

Consider the following statements about the application of electrochemical series. I. Comparison of relative oxidising and reducing powers of substances. II. Prediction of evolution of hydrogen during reaction of a metal with acid. III. Prediction of spontaneity of a redox reaction. IV. Calculation of amount of metal deposited at cathode. The true statement(s) is/are (A) I and II only (B) I, II and III (C) IV only (D) II, III and IV

Tardigrade Admin · Accepted Answer

Amount of metal deposited can not be obtained with the help of electrochemical series.

$I$ and $II$ only

$I, II$ and $III$

$I V$ only

$II, III$ and $I V$

Amount of metal deposited can not be obtained with the help of electrochemical series.

I and II only

I,II and III

IV only

II,III and IV

Amount of metal deposited can not be obtained with the help of electrochemical series.

$I$ and $II$ only

$I, II$ and $III$

$I V$ only

$II, III$ and $I V$