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
d and f BLOCK ELEMENTS
Question #38954
Back to Home
View All d and f BLOCK ELEMENTS Questions
17 Views
Question
What is the colour of the Cr2O72- ion?
A. Yellow
B. Orange
C. Green
D. Purple
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
What is a characteristic property of the +4 oxidation state of Cerium (Ce) in aqueous solution?
18
What is a consequence of the outer electrons being less firmly held in actinoids?
14
What is the ground state electronic configuration of Copper (Cu, Z=29), and why is it an exception t...
11
Which Indian men's doubles pair lost in the final of the China Masters Super 750 tournament in 2025?
(Current Affairs)
17
What significant development occurred in the Air India crash investigation in Ahmedabad on June 12, ...
(Current Affairs)
33