For the identification of which ion is Na_2CO | vedclass

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(D) $Na_2CO_3$ is used in the qualitative analysis of inorganic salts,particularly for the preparation of a sodium carbonate extract to identify anion

Vedclass · Accepted Answer

$SO_4^{2-}$

Vedclass · Answer

(D) $Na_2CO_3$ is used in the qualitative analysis of inorganic salts,particularly for the preparation of a sodium carbonate extract to identify anions.It is useful for identifying anions like $SO_3^{2-}$,$S^{2-}$,and $CO_3^{2-}$ because these ions form insoluble precipitates with various metal cations in the presence of carbonate.However,$Na_2CO_3$ is $NOT$ useful for the identification of the $SO_4^{2-}$ ion because the sulfate ion does not form a characteristic precipitate with the carbonate reagent that allows for its specific identification in this context.Therefore,the correct option is $D$.

For the identification of which ion is $Na_2CO_3$ $NOT$ useful?

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