Chemistry · d- and f-Block Elements
Which of the following sets contains ions that are both colored and paramagnetic?
- 1Ni2+, Mn7+, Hg2+
- 2Sc3+, V5+, Ti4+
- 3Cu2+, Zn2+, Mn4+
- 4Cu2+, Cr3+, Sc+✓
Correct answer
Cu2+, Cr3+, Sc+
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