GKFix MCQ Question

Which metal will not displace hydrogen from dilute acids?

• A. Zn2+ + 2e– → Zn(s) –0.76
• B. Fe2+ + 2e– → Fe(s) –0.44
• C. Mg2+ + 2e– → Mg(s) –2.36
• D. Cu2+ + 2e– → Cu(s) 0.34