Post Utme Crawford University 2020 Chemistry Question 23

Practice objective / multiple choice question 23 from the 2020 Post Utme Crawford University Chemistry examination.

Post Utme Crawford University 2020 Chemistry Objective / Multiple Choice
Question 23 POST_UTME_CRAWFORD_UNIVERSITY • 2020 • CHEMISTRY • objective

A metal (M) reacts with oxygen to form a basic oxide. If the reaction is: 4M + 3O2 → 2M2O3, what is the oxidation state of M in the product?

Answer Options

Correct Answer A. +3
B. +2
C. +1
D. -1
Correct Answer
A
Correct Option:
+3

About This Question

This is Post Utme Crawford University 2020 Chemistry Question 23. It is one of the objective questions from the 2020 Post Utme Crawford University Chemistry examination.

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