Which of the following complex compounds will exhibit highest paramagnetic behaviour?
[Co(NH3)6]3+
[Zn(NH3)6]2+
[Ti(NH3)6]3+
[Cr(NH3)6]3+
(At. No. Ti = 22, Cr = 24, Co = 27, Zn = 30)
Species which has more numbers of unpaired exhibit highest paramagnetic behaviour .
has 3 unpaired
Hence Correct Answer is Option 4.