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(D) The reaction involves calcium oxalate $(CaC_2O_4)$,which is a sparingly soluble salt.Acetic acid $(CH_3COOH)$ is a weak acid.For a precipitate to

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For no reaction

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(D) The reaction involves calcium oxalate $(CaC_2O_4)$,which is a sparingly soluble salt.Acetic acid $(CH_3COOH)$ is a weak acid.For a precipitate to dissolve,the acid must be strong enough to protonate the anion of the salt to form a weak acid or a soluble complex.Since $CH_3COOH$ is a weak acid,it cannot effectively protonate the oxalate ion $(C_2O_4^{2-})$ to shift the equilibrium of the dissolution of $CaC_2O_4$.Therefore,no significant reaction occurs,and the precipitate remains undissolved.Thus,the correct classification is $D$ (For no reaction).

Assign $A, B, C, D$ from the given type of reaction.
$CaC_2O_4 \downarrow + CH_3COOH \longrightarrow$ No reaction

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Assign $A, B, C, D$ from the given type of reaction.$CaC_2O_4 \downarrow + CH_3COOH \longrightarrow$ No reaction