Multiple choice

Which of the following substances show antiferromagnetism?

  1. Fe3O4

  2. MgFe2O4

  3. MnO

  4. CrO2

  5. NaCl
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Substances like MnO showing antiferromagnetism have domain structure similar to ferromagnetic substance, but their domains are oppositely oriented and cancel out each other's magnetic moment

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