MCQ
In the wet tests for identification of various cations by precipitation, which transition element cation doesn't belong to group $IV$ in qualitative inorganic analysis?
  • $Fe ^{3+}$
  • B
    $Zn ^{2+}$
  • C
    $CO ^{2+}$
  • D
    $Ni ^{2+}$

Answer

Correct option: A.
$Fe ^{3+}$
a
$Zn ^{2+}, Co ^{2+}, Ni ^{2+}= IV ^{\text {th }} \text { Group }$

$Fe ^{3+}= III ^{ rd } \text { Group }$

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