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 #38932
Back to Home
View All d and f BLOCK ELEMENTS Questions
42 Views
Question
Which of the following is NOT a known higher oxide of Iron?
A. Fe2O3
B. Fe3O4
C. FeO
D. FeO4
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
Why do some Lanthanoids like Ce and Yb show stable +4 and +2 oxidation states respectively?
35
What is the electronic configuration of Erbium (Er) for its Ln³⁺ ion?
41
What is the electronic configuration of the Zn²⁺ ion?
51