Question

5. Cuprous ion is colourless while cupric ion is
coloured because
a) Both have half-filled p and d orbitals
b) Cuprous ion has incomplete d orbital and
cupric ion has complete d- orbital
c) Both have unpaired electron in d orbitals
& cuprous ion has complete d orbital and cupric
ion has incomplete d- orbital​

Answer 1

Option (D) Cuprous ion has complete d-orbital and Cupric ion has incomplete d-orbital correct...