Answer and explanation

Correct answer: C. A forced, non-spontaneous redox reaction driven by an external electric current

  1. Step 1: In electrolysis a generator supplies the electric energy. Step 2. It drives a reaction that would not occur by itself. Answer: forced redox by current. Why not the others: the second describes a galvanic cell, and the others are different processes.

Practise more Chimie et transformations de la matière.

Free questions with an explanation for every one, and full timed French Baccalaureat mock tests.