D-And F-Block Elements Ques 383

Question: The 3d metal ions form coloured compounds because the energy corresponding to the following lies in the visible range of electromagnetic spectrum

Options:

A) Free energy change of complex formation by 3d metal ions

B) dd transitions of 3d electrons

C) Heat of hydration of 3d metal ions

D) Ionisation energy of 3d metal ions

Show Answer

Answer:

Correct Answer: B

Solution:

dd transition of 3d electrons.



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