Post Utme Ksu 2022 Chemistry Question 21

Practice objective / multiple choice question 21 from the 2022 Post Utme Ksu Chemistry examination.

Post Utme Ksu 2022 Chemistry Objective / Multiple Choice
Question 21 POST_UTME_KSU • 2022 • CHEMISTRY • objective

The reaction of potassium dichromate with sulfuric acid in the presence of iron(II) sulfate is an example of a redox reaction. Write the balanced half-equations for the oxidation and reduction reactions.

Answer Options

A. Cr2O72- + 14H+ + 6e- → 2Cr3+ + 7H2O
Correct Answer B. Cr2O72- + 14H+ + 6e- → 2Cr3+ + 7H2O
C. Fe2+ → Fe3+ + e-
D. Cr3+ + 3e- → Cr
Correct Answer
B
Correct Option:
Cr2O72- + 14H+ + 6e- → 2Cr3+ + 7H2O

About This Question

This is Post Utme Ksu 2022 Chemistry Question 21. It is one of the objective questions from the 2022 Post Utme Ksu Chemistry examination.

View More Post Utme Ksu 2022 Chemistry Questions More Post Utme Ksu Practice Questions Back to Questions

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows
Chat with Support