Answer to Question #154987 in Inorganic Chemistry for Jnr

Question

Which of these metals in the elemental state are stable (do not oxidise) in an aqueous solution at pH = 4.2 ? (3 marks)

Nickel: Ni2+ +2e- → Ni E0 = - 0.260 V

Copper Cu2+ + 2e- → Cu E0 = + 0.340 V

Answer 1

Cu