Practicing Success

Target Exam

CUET

Subject

Chemistry

Chapter

Inorganic: General Principles and Processes of Isolation of Elements

Question:

What is the process used to recover the metal from its soluble complex obtained after leaching?

Options:

Oxidation

Reduction

Crystallization

It cannot be obtained

Correct Answer:

Reduction

Explanation:

During the leaching process, silver and gold create their respective complexes with CN- ions. The metals are subsequently extracted from these complexes using a more electropositive metal via reduction or displacement.