1. Tardigrade
  2. Question
  3. Chemistry
  4. During the separation of basic radicals into respective groups (group detection) using appropriate group reagents, how many among the following ions are precipitated as carbonates? Ba2 + , Zn2 + , Sr2 + , Ca2 + , Mn2 + , Pb2 + , Fe3 +

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Q. During the separation of basic radicals into respective groups (group detection) using appropriate group reagents, how many among the following ions are precipitated as carbonates?
$Ba^{2 +}$ , $Zn^{2 +}$ , $Sr^{2 +}$ , $Ca^{2 +}$ , $Mn^{2 +}$ , $Pb^{2 +}$ , $Fe^{3 +}$

NTA AbhyasNTA Abhyas 2022

Solution:

During group detection, 'Group $V^{'}$ cations [ $Ba^{2 +},Sr^{2 +}$ and $Ca^{2 +}$ ] are precipitated as carbonates using the group reagent [ $\left(NH_{4}\right)_{2}\left(CO\right)_{3}$ in presence of $NH_{4}OH$ and $NH_{4}Cl$ ].