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
REDOX REACTIONS AND ELECTROCHEMISTRY
Question #29704
Back to Home
View All REDOX REACTIONS AND ELECTROCHEMISTRY Questions
42 Views
Question
What is the oxidation number of Cr in Cr₂O₇²⁻?
A. +4
B. +5
C. +6
D. +7
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
Why does PbO2 not react with HNO3?
47
What is the role of diphenylamine in Cr2O72– titrations?
43
In the reaction 3Fe₃O₄ + 8Al → 9Fe + 4Al₂O₃, what is reduced?
26