Which of the following complex compounds will exhibit highest paramagnetic behaviour?
(At No.: Ti=22, Cr=24, Co=27, Zn=30)
As we learnt in
Hybridisation -
sp3d2 - square bipyramidal or octahedral
d2sp3 - octahedral
sp3 - tetradedral
dsp2 - square planar
- wherein
sp3d2 - outer complex
d2sp3 - inner complex
sp3 -
dsp2 -
Electronic configuration of Cr3+ in [Cr(NH3)6]3+:
Electronic configuration of Ti3+ in [Ti(NH3)6]3+
Electronic configuration of CO3+ in [CO(NH3)6]3+
Electronic configuration of Zn2+ in [Zn(NH3)6]2+
Since Cr3+ has maximum number of unpaired electron it will exhibit highest paramagnetic nature.
Option 1)
Incorrect
Option 2)
Correct
Option 3)
Incorrect
Option 4)
Incorrect