a) What does the deltaE of crystal field theory have to do with color? b) How do

Question

a) What does the deltaE of crystal field theory have to do with color?
b) How does the concept of electron pairing energy?
c) Why are all known tetrahedral complexes only of the high-spin variety?
a) What does the deltaE of crystal field theory have to do with color?
b) How does the concept of electron pairing energy?
c) Why are all known tetrahedral complexes only of the high-spin variety?

b) How does the concept of electron pairing energy?
c) Why are all known tetrahedral complexes only of the high-spin variety?

Explanation / Answer

(a)

The greater the energy gap between the splitted orbitals, the higher will be the energy required to excite the electron onto higher energy state orbitals, and hence the wavelength of the emitted wavelength will be lesser and so the color of the emitted light will also vary, depending on the delta E value.

(b)

Question is not complete please complete the statement

(c)

This is because in tetrahedral complexes, the gap between the splitted orbitals (dE value ) is very less. so it is very difficult to cause the electrons to pair up, and hence the electrons occupy the higher energy level orbitals before completely filling up the lower energy orbitals, and hence the resulting tetrahedral complexes are high-spin.

Hope this helps !

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