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Transition and Inner Transition Elements — Chemistry STD 12 — Question

Tamilnadu BoardEnglish MediumSTD 12ChemistryTransition and Inner Transition Elements1 Mark
MCQ
Find Out the correct pair.
  • A
    $Ti ^{2+}, CO ^{2+}$
     
  • B
    $Cr ^{2+}, Mn ^{3+}$
  • C
    $Fe ^{2+}$ and $CO ^{3+}$
  • ✓
    $CO ^{3+}$ and $Cu ^{2+}$
✓

Answer

Correct option: D.
$CO ^{3+}$ and $Cu ^{2+}$
$CO ^{3+}$ and $Cu ^{2+}$
Both have positive electrode potential whereas others have different value.

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