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The d & f Block Elements — Chemistry STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceChemistryThe d & f Block Elements1 Mark
MCQ
Transition metals show paramagnetism due to:
  • A
    Characteristic configuration.
  • B
    High lattice energy.
  • C
    Variable oxidation states.
  • D
    Unpaired electrons.
✓

Answer

  1. Unpaired electrons.

Explanation:

Magnetic moment is $\sqrt{\text{n(n+2)}}$ where n is no of unpaired electron so transition metals show paramagnetism due to unpaired electron.

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