JEE Main 2024 Chemistry question
Choose the correct option having all the elements with d¹⁰ electronic configuration from the following :
Answer: (C)
Solution
Cu : 4s¹3d¹⁰, Zn : 4s²3d¹⁰, Cd : 5s²4d¹⁰, Ag : 5s¹4d¹⁰ all have a completely filled d¹⁰ subshell. Co, Ni, Fe and Cr do not.