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Transition and Inner Transition Elements — Chemistry STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceChemistryTransition and Inner Transition Elements1 Mark
MCQ
A pair of coloured ion is
  • A
    $Cu ^{2+}, Zn ^{2+}$
  • B
    $Cr ^{3+}, Cu ^{+}$
  • C
    $Cd ^{2+}, Mn ^{5+}$
  • ✓
    $Fe ^{2+}, Fe ^{3+}$
✓

Answer

Correct option: D.
$Fe ^{2+}, Fe ^{3+}$
$Fe ^{2+}, Fe ^{3+}$

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