Multiple choice Which of the following sets is not of paramagnetic metal ions? Cr+2, Ti+3 and V+3 Cu+2, Sc+3 and V+2 Sc+3, Ti+4 and Zn+2 Fe+2, Fe+3 and Co+2 Ti+4, Ni+2 and Zn+2 Reveal answer Fill a bubble to check yourself C Correct answer Explanation This option is correct because in this option, all metal ions are diamagnetic in nature due to absence of unpaired electrons.