Question

What is the standard reduction potential value of gold in the EMF series?

(a) +1.498 V

(b) +1.2 V

(c) +0.987 V

(d) +0.799 V

The question was asked by my college professor while I was bunking the class.

Query is from Eight Forms in chapter Eight Forms of Corrosion of Corrosion Engineering

Answer 1

The correct answer is (a) +1.498 V

For explanation: Standard reduction potential values of metal are measured against SHE.

Standard reduction potential of gold (Au-Au^+3), platinum (Pt-Pt^+2), palladium (Pd-Pd^+2), silver (Ag-Ag^+1) are +1.498V, +1.2V, +0.987V and +0.799V respectively.