(C) The electronic configuration of $Ti$ is $[Ar] 3d^2 4s^2$. For $Ti^{3+}$,the configuration is $[Ar] 3d^1$. Since it contains one unpaired electron,

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

(C) The electronic configuration of $Ti$ is $[Ar] 3d^2 4s^2$. For $Ti^{3+}$,the configuration is $[Ar] 3d^1$. Since it contains one unpaired electron,it is paramagnetic. $Cu^{+}$ $(3d^{10})$,$Zn^{2+}$ $(3d^{10})$,and $Ti^{4+}$ $(3d^0)$ have no unpaired electrons and are diamagnetic.