Chemistry · d- and f-Block Elements
Match the items in Column A with those in Column B and select the correct option: Column A a) f-f transition b) 5 D 0 → 7 F n emission c) 5 D 4 → 7 F n emission d) Overlapping J levels Column B i) Tb 3+ ii) Lu 3+ iii) Sm 3+ iv) Eu 3+
- 1(a) - (iv), (b) - (i), (c) - (ii), (d) - (iii)
- 2(a) - (ii), (b) - (iv), (c) - (iii), (d) - (i)
- 3(a) - (ii), (b) - (iv), (c) - (i), (d) - (iii)✓
- 4(a) - (i), (b) - (iii), (c) - (ii), (d) - (iv)
Correct answer
(a) - (ii), (b) - (iv), (c) - (i), (d) - (iii)
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