Grade 12th passInorganic Chemistry
What is the hybridisation of cobalt in [Co(H2O)6]+3. Is water a strong or weak ligand.please Explain.
What is the hybridisation of cobalt in [Co(H2O)6]+3. Is water a strong or weak ligand.please Explain.
2 Answers
Arun
Co(H2o)6]3+—-
In this complex compound the total chare is +3 as H2o is neutral compound so the oxidation state of cobalt is +3 . and the electronic conf. Of Co is 3d7 4s2 so, Co(+3)=4d6 .nd H2o is weak ligand so there is no pairing of electron so,4 S 4p3 and4 d2 ,orbital make hybrid orbital to have a hybridization of sp3d2 .
H2O is a weak ligand
Kaustubh das
- It is an exception and therefore its hybridisation is d2 sp3.
- The reason behind its nature is due to high Z effective of Co that forces water to behave like strong field ligand.
- Water in general is weak field ligand.
- For field strength u can refer jd lee spectrochemical series as it is nicely mentioned there
- Dont be worried whatever i said is 100% correct and have faith on me as i am also a jee aspirant.
- All the best for ur future.
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