Content protected from screenshots
GKFix.in
Current Affairs
General Knowledge
Categories
Concept Builder Quiz
About Us
Start Quiz
GKFix.in
Home
Current Affairs
General Knowledge
Categories
Concept Builder Quiz
Start Quiz
GKFix MCQ Question
Test your knowledge and learn something new
Home
REDOX REACTIONS AND ELECTROCHEMISTRY
Question #29830
Back to Home
View All REDOX REACTIONS AND ELECTROCHEMISTRY Questions
20 Views
Question
What is the oxidation number of manganese (Mn) in MnO₂?
A. +1
B. +2
C. +3
D. +4
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
In CaO₂, what is the oxidation number of oxygen?
27
In the reduction half-reaction Cr₂O₇²⁻ → Cr³⁺, how many Cr atoms are on each side after ...
22
Which of the following is NOT an example of a disproportionation reaction?
21
What did Sybiha urge the international community to do in response to Russian attacks?
(Current Affairs)
43
Which company conducted the historic all-female suborbital spaceflight in April 2025?
(Current Affairs)
38