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
59 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
In the reaction Cr2O7^2– → Cr^3+, what happens to Cr?
55
In the reaction H3PO2 + 4AgNO3 + 2H2O → H3PO4 + 4Ag + 4HNO3, what is reduced?
35
In the reaction MnO4^– + Br^– → MnO2 + BrO3^–, what is the total increase in oxidation state...
44