question_answer 46)

  Write down the number or 3d electrons in each or the following ions :Ti2+, V2+, Cr3+, Mn2+, Fe2+, Fe3+, Co2+, Ni2+ and Cu2+.Indicate how would you expect the rive 3d orbitals to be occupied for these hydrated ions (octahedral).

Answer:

 

S.No.	Ion	Configuration	No. of 3d electrons	Occupancy of 3d orbitals
(i)			2
(ii)			3
(iii)			3
(iv)			5
(v)			6
(vi)			5
(vii)			7
(viii)			8
(ix)			9