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(D) An ion exchange reaction proceeds in the forward direction if a precipitate is formed,as this removes ions from the solution and drives the equili

Vedclass · Accepted Answer

$Na_2CrO_4 + BaCl_2 \xrightarrow{Aqueous} BaCrO_4 \downarrow + 2NaCl$

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(D) An ion exchange reaction proceeds in the forward direction if a precipitate is formed,as this removes ions from the solution and drives the equilibrium forward according to Le Chatelier's principle.$A$. $2AgCl(s) + CaF_2(aq) \rightarrow 2AgF(aq) + CaCl_2(aq)$ (No precipitate formed,reaction does not proceed forward).$B$. $BaSO_4(s) + 2NaOH(aq) \rightarrow Ba(OH)_2(aq) + Na_2SO_4(aq)$ (No precipitate formed,reaction does not proceed forward).$C$. $Pb(NO_3)_2(aq) + 2CH_3COONa(aq) \rightarrow Pb(CH_3COO)_2(aq) + 2NaNO_3(aq)$ (All products are soluble,reaction does not proceed forward).$D$. $Na_2CrO_4(aq) + BaCl_2(aq) \rightarrow BaCrO_4(s) \downarrow + 2NaCl(aq)$ (The formation of the insoluble yellow precipitate $BaCrO_4$ drives the reaction in the forward direction).

Select the ion exchange reaction,which proceeds in the forward direction in an aqueous medium.

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