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Class 12Chemistryd-and f-Block ElementsCompounds of Transitional elements
Easy

The yellow colour of chromates changes to orange on acidification due to the formation of:

  • A
    $Cr^{3+}$
  • B
    $Cr_2O_3$
  • C
    $Cr_2O_7^{2-}$
  • D
    $CrO_4^-$
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Class 12 Questions

Class 12

Chemistry Questions

Chapter

d-and f-Block Elements

Subtopic

Compounds of Transitional elements

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