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MHT CET20243 May 2024Evening ShiftChemistryd and f Block ElementsActual

Which from following lanthanoids exhibits no effective magnetic moment in +3 state?

Options

  1. ACe
  2. BLa
  3. CGd
  4. DEu

Correct answer

B. La

Step-by-step solution

La in +3 state shows 4 f ^0 , electronic configuration, hence has zero effective magnetic moment.

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