The qualitative analysis to the salt solution addition of reagents NH4Cl +NH4 OH and ammonium carbonate give precipitate in precipitate the oxidation state of anion (only magnitude)

NH4Cl +NH4 OH used for detection of group III reagents. All cations of group III reagents are precipitate as hydroxides. When ammonium carbonate is added to NH4Cl +NH4 OH solution, then group IV cations are going to precipitate as carbonates, such as calcium carbonate (CaCO3) and barium carbonate (BaCO3). In this, the anion is carbonate ion CO32- and its oxidation state is +2.

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The qualitative analysis to the salt solution addition of reagents NH₄Cl +NH₄ OH and ammonium carbonate give precipitate in precipitate the oxidation state of anion (only magnitude)

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Detailed Solution

NH₄Cl +NH₄ OH used for detection of group III reagents. All cations of group III reagents are precipitate as hydroxides. When ammonium carbonate is added to NH₄Cl +NH₄ OH solution, then group IV cations are going to precipitate as carbonates, such as calcium carbonate (CaCO₃) and barium carbonate (BaCO³). In this, the anion is carbonate ion $({CO}_{3}^{2 -})$ and its oxidation state is +2.

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