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KCET2018Chemistryd and f Block Elements

Which of the following is an amphoteric oxide?

Options

  1. A( V ₂ O ₅, Cr ₂ O ₃ )
  2. B( Mn ₂ O ₇, Cr ₂ O ₃ )
  3. C( CrO , V ₂ O ₅ )
  4. D( V ₂ O ₅, ~V ₂ O ₄ )

Correct answer

A. ( V ₂ O ₅, Cr ₂ O ₃ )

Step-by-step solution

Amphoteric oxides are those which react with both acids aswell as bases ( V ₂ O _ s ) and ( Cr ₂ O ₃ ) are amphoteric oxides.

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