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Transition and Inner Transition Elements — Chemistry STD 12 — Question

Tamilnadu BoardEnglish MediumSTD 12ChemistryTransition and Inner Transition Elements1 Mark
MCQ
Find the odd one out.
  • ✓
    $CO ^{3+}$
  • B
    $Cr ^{3+}$
  • C
    $V ^{3+}$
  • D
    $Ti ^{3+}$
✓

Answer

Correct option: A.
$CO ^{3+}$
$CO ^{3+}$
Reason: It has positive reduction potential whereas others have negative reduction potential.

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