Question

Transition elements generally form coloured compounds .Give reason.

Answer 1

Explanation:

Transition elements are d- block elements like Cr,Mn,Fe...

When an electron from lower energy d - orbital is excited to higher energy d - orbital the energy of excitation corresponds to frequency of light absorbed. This frequency of absorb generally lies in the visible region and the colour observed corresponds to the complementary colour of light absorbed.

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Answer 2

Answer:

Hey met __Here is your answer:)

Explanation:

Colored compounds of transition elements are associated with partially filled (n-1)d orbitals. Tthe transition metal ions containing unpaired d-electrons undergoes an electronic transition from one d-orbital to another. ... The color of ion is complementary of the color absorbed by it.

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