The colour of $_{62}{\rm{S}}{{\rm{m}}^{3 + }}$ is yellow. The expected colour of ${{\rm{\;}}_{66}}{\rm{D}}{{\rm{y}}^{3 + }}$ is

NEET UG CHEMISTRY MCQ: d & f- BLOCK ELEMENTS

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The colour of

_{62}\mathrm{S}{\mathrm{m}^{3 + }}

is yellow. The expected colour of

{\mathrm{\;}_{66}}\mathrm{D}{\mathrm{y}^{3 + }}

View answer and explanation

Correct option: A

Yellow

Option A (Yellow) is correct because Dy3+ and Sm3+ are complementary and exhibit similar colors due to similar electronic transitions.

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{\mathrm{M}^{x + }}

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