Tamilnadu BoardEnglish MediumSTD 12ChemistryCoordination Chemistry3 Marks
Question
$Cu ^{+}, Zn ^{2+}, Sc ^{3+}, Ti ^{4+}$ are colourless. Prove this statement.
✓
Answer
1. $Cu ^{+}, Zn ^{2+}$ have $d ^{10}$ configuration and $SC ^{3+}, Ti ^{4+}$ have $d ^1$ configuration.
2. $d-d$ transition is not possible in the above complexes. So they are colourless.
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