How many of the following metal ions have similar value of spin only magnetic moment in gaseous stat — JEE Mains Chemistry Past Papers Chemistry Question

💡 Solution & Explanation

Ion Unpaired electron (i) Ni2+ 3d8  No. of unpaired = 2 electron (ii) Fe2+ 3d6  No. of unpaired = 4 electron (iii) Cu2+ 3d9  No. of unpaired = 1 electron (iv) Cr3+ 3d3  No. of unpaired = 3 electron (v) V3+ 3d2  No. of unpaired = 2 electron