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NEETChemistryd and f Block Elements

Which lanthanoid ion would have the electronic configuration 4f6?

Options

  1. ANone of them
  2. BAll of them
  3. CA few of them
  4. DOnly one

Correct answer

D. Only one

Step-by-step solution

The electronic configurations of tripositive ions of lanthanoids can have different values of 'n,' and 4f6 is one possible configuration.

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