Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Chemistry d And f - Block Elements The Transition Elements (d-Block)
Which one of the following transition metal ion is colourless?
1
Sc3+
2
V2+
3
Mn2+
4
More than one of the above
5
None of the above