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Solution


Q.

Which of the following cannot be explained by crystal field theory               [2023]
1 Magnetic properties of transition metal complexes  
2 The order of spectrochemical series  
3 Colour of metal complexes  
4 Stability of metal complexes  

Ans.

(2)

CFT is used to explain many of the properties of coordination complex like the stability of complex, colour, magnetic properties of the complex and spin of the complex.

While size of splitting (Δ) and the strength of ligand which decide spectrochemical series is explained by ligand field theory.