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The d- and f-Block Elements — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistryThe d- and f-Block Elements1 Mark
MCQ
$Cr _2 O _7{ }^{2-}$ forms in alkaline medium :
  • A
    $CrO _3$
  • ✓
    $CrO _4{ }^{2-}$
  • C
    $CrO _2$
  • D
    all of these
✓

Answer

Correct option: B.
$CrO _4{ }^{2-}$
b

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