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Question: Answered & Verified by Expert
On what ground can you say that scandium (Z = 21) is a transition element but zinc (Z = 30) is not?
Chemistryd and f Block ElementsNEET
Options:
  • A Zinc exhibits variable oxidation states in its compounds.
  • B because Scandium has an incompletely filled d-orbital in its ground state but zinc has a completely filled d-orbital(d10) in both ground and excited states
  • C Scandium forms colourful compounds due to d-d electronic transitions
  • D Zinc is paramagnetic in nature.
Solution:
2967 Upvotes Verified Answer
The correct answer is: because Scandium has an incompletely filled d-orbital in its ground state but zinc has a completely filled d-orbital(d10) in both ground and excited states
Correct Option is : (B)
because Scandium has an incompletely filled d-orbital in its ground state but zinc has a completely filled d-orbital(d10) in both ground and excited states

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