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NEETChemistryd and f Block Elements

What is the oxidation state of Tb when it has half-filled f-orbitals?

Options

  1. A+1
  2. B+2
  3. C+3
  4. D+4

Correct answer

D. +4

Step-by-step solution

Tb(IV) has half-filled f-orbitals and is in the +4 oxidation state.

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