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NTA Abhyas JEE Main2020ChemistrySolid StatePractice

Which of the following compounds is metallic and ferromagnetic?

Options

  1. AM n O 2
  2. BT i O 2
  3. CC r O 2
  4. DV O 2

Correct answer

C. C r O 2

Step-by-step solution

Chromium Oxide ( Cr O 2 ) is metallic compound and it shows Ferromagnetic property. It is a black synthetic magnetic solid and was once widely used in magnetic tape emulsion.

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