Which of the following cations will give a pr | vedclass

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(D) The reaction of alkaline earth metal ions with oxalate ions $(C_2O_4^{2-})$ in the presence of acetic acid $(CH_3COOH)$ leads to the formation of

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$Ca^{2+}$,$Sr^{2+}$,and $Ba^{2+}$

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(D) The reaction of alkaline earth metal ions with oxalate ions $(C_2O_4^{2-})$ in the presence of acetic acid $(CH_3COOH)$ leads to the formation of insoluble oxalates.$Ca^{2+} + C_2O_4^{2-} \rightarrow CaC_2O_4 \downarrow$ (White ppt.)$Sr^{2+} + C_2O_4^{2-} \rightarrow SrC_2O_4 \downarrow$ (White ppt.)$Ba^{2+} + C_2O_4^{2-} \rightarrow BaC_2O_4 \downarrow$ (White ppt.)All three cations ($Ca^{2+}$,$Sr^{2+}$,and $Ba^{2+}$) form insoluble oxalates in a weakly acidic medium like acetic acid.

Which of the following cations will give a precipitate with $Na_2C_2O_4$ solution in the presence of acetic acid?

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