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because of spin allowed d-d laporte allowed transition

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βˆ™ 13y ago
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βˆ™ 5mo ago

The deep blue color of CoCl4 2 arises because of the absorption of light in the visible region of the spectrum. This absorption occurs due to the presence of unpaired electrons in the d orbitals of the cobalt ion, leading to electronic transitions that give rise to the blue color.

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βˆ™ 12y ago

d-d allowed laporte transitions

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Q: Why CoCl4 2 shows a deep blue colour?
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