Post Utme Futo 2025 Chemistry Question 38

Practice objective / multiple choice question 38 from the 2025 Post Utme Futo Chemistry examination.

Post Utme Futo 2025 Chemistry Objective / Multiple Choice
Question 38 POST_UTME_FUTO • 2025 • CHEMISTRY • objective

A redox reaction involves the oxidation of iron(II) ions to iron(III) ions and the reduction of dichromate ions to chromium(III) ions. The reaction is carried out in acidic solution. Write the balanced half-equations for the oxidation and reduction reactions.

Answer Options

Correct Answer A. Fe2+ → Fe3+ + e-; Cr2O72- + 14H+ + 6e- → 2Cr3+ + 7H2O
B. Fe2+ + e- → Fe3+; Cr2O72- + 14H+ + 6e- → 2Cr3+ + 7H2O
C. Fe2+ → Fe3+; Cr2O72- + 14H+ + 6e- → 2Cr3+ + 7H2O
D. Fe2+ + e- → Fe3+; Cr2O72- → 2Cr3+
Correct Answer
A
Correct Option:
Fe2+ → Fe3+ + e-; Cr2O72- + 14H+ + 6e- → 2Cr3+ + 7H2O

About This Question

This is Post Utme Futo 2025 Chemistry Question 38. It is one of the objective questions from the 2025 Post Utme Futo Chemistry examination.

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