JEE Mains · Chemistry · STD 12 - 5. Co-ordination chemistry
Transition metal complex with highest value of crystal field splitting \(\left(\Delta_{0}\right)\) will be ........ .
- A \(\left[ Cr \left( H _{2} O \right)_{6}\right]^{3+}\)
- B \(\left[ Mo \left( H _{2} O \right)_{6}\right]^{3+}\)
- C \(\left[ Fe \left( H _{2} O \right)_{6}\right]^{3+}\)
- D \(\left[ Os \left( H _{2} O \right)_{6}\right]^{3+}\)
Answer & Solution
Correct Answer
(D) \(\left[ Os \left( H _{2} O \right)_{6}\right]^{3+}\)
Step-by-step Solution
Detailed explanation
\(CFSE\) of octahedral complexes with water is greater for \(5 d\) series metal centre ion as compared to \(3 d\) and \(4 d\) series metal centre.
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