Content protected from screenshots
GKFix.in
General Knowledge
Categories
Concept Builder Quiz
About Us
Start Quiz
Home
My Profile
General Knowledge
Categories
Concept Builder
Start Quiz
Logout
GKFix MCQ Question
Test your knowledge and learn something new
Home
d and f BLOCK ELEMENTS
Question #38985
Back to Home
View All d and f BLOCK ELEMENTS Questions
41 Views
Question
What is the oxidation state of Iron in Fe3O4?
A. +2
B. +3
C. +2 and +3
D. +4
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
What is the oxidation state change of manganese when preparing permanganate from a Mn²⁺ salt?
26
What compound is formed when lanthanoids react with hydrogen upon gentle heating?
26
What is the ground state electronic configuration of Actinium (Ac), the first element of the 6d seri...
13