Practicing Success

Target Exam

CUET

Subject

Chemistry

Chapter

Inorganic: D and F Block Elements

Question:

Consider the following reactions

Cu → Cu2+ + 2e-      Eo = -0.34 volt

Cu → Cu+ + e-          Eo = -0.52 volt

Which is more stable?

Options:

Cu+

Cu2+

Both have equal stability

Can't be predicted

Correct Answer:

Cu2+

Explanation:

Cu2+ is more stable than Cu+.

Higher will be the value of oxidation potential, more will be the stability.