Login
Home
TOP
Send feedback
Login
Subjects
Science TNSB Mentoring
Class 9
Chemical bonding
Oxidation and reduction
5.
Oxidation number - I
Question:
3
m.
Identify the oxidation number:
1.
Find the oxidation number of \(Cr\) in \(K_2Cr_2O_7\).
Oxidation number of \(Cr\)
::
\(+1\)
\(-1\)
\(-7\)
\(+2\)
\(+6\)
Login
or
Fast registration
Previous task
Exit to the topic
Next task
Send feedback
Did you find an error?
Send it to us!