Question

Among the following series of transition metal ions, the one where all metal ions have 3d² electronic configuration is
(At. nos. Ti = 22; V = 23; Cr = 24; Mn = 25)
(a) Ti³⁺, V²⁺, Cr⁺, Mn⁴⁺
(b) Ti⁺, V⁴⁺, Cr⁶⁺, Mn⁷⁺
(c) Ti⁴⁺, V³⁺, Cr²⁺, Mn³⁺
(d) Ti²⁺, V³⁺, Cr⁴⁺, Mn⁵⁺

Answer 1

Hey buddy❣❣

Your ans. is option no. 4

for reason you can refer to Periodic table and Aufbau rule.