Waec 2024 Chemistry Question 5

Practice objective / multiple choice question 5 from the 2024 Waec Chemistry examination.

Waec 2024 Chemistry Objective / Multiple Choice 2 Difficulty
Question 5 WAEC • 2024 • CHEMISTRY • objective

The oxidation number of chromium in \( \mathrm{Na}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7} \) is

Answer Options

A. +2.
Correct Answer B. +6.
C. +7.
D. +12.
Correct Answer
B
Correct Option:
+6.

About This Question

This is Waec 2024 Chemistry Question 5. It is one of the objective questions from the 2024 Waec Chemistry examination.

Difficulty level: 2 .

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