Physical properties, ionization enthalpy, atomic radii and oxidation statesMedium

Unpaired Electrons in Metal Ions

Consider ‘n’ is the number of lone pair of electrons present in the equatorial position of the most stable structure of ClF₃. The ions from the following with ‘n’ number of unpaired electrons are :
A. V³⁺B. Ti³⁺
C. Cu²⁺D. Ni²⁺
E. Ti²⁺
Choose the correct answer from the options given below :

SELECT ONE OPTION