Chemistry, asked by anshpandit2231, 1 month ago

what are transition element discuss 3d transition metal in complex formation abelity and formation of coloured compound .​

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Answered by Rishi456283
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Answer:

Transition metal ions generally possess one or more unpaired electrons. When visible light falls on a transition metal compound or ion, the unpaired electrons present in the lower energe d-orbital get promoted to high energy d-orbitals, called d-d transition, due to the absorption of visible light. Since, the energy involved in d-d transition is quantised, only a definite wavelength gets absorbed, remaining wavelengths present in the visible region got transmitted. Therefore, transmitted light shows some colour complementary to the absorbed colour.

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