If at any moment in time, we find that Q_c is larger than K_c for the reaction C

Question

If at any moment in time, we find that Q_c is larger than K_c for the reaction Cl_2(g) + F_2(g) implies 2 ClF_3(g) we can conclude that: The reaction is at equilibrium. The reaction cannot reach equilibrium. The reaction must shift to the right to reach equilibrium. The reaction must shift to the left to reach equilibrium. None of the above are possible. Consider the following reaction: H_2PO_4^-(aq) + HCO_3^-(aq) implies H_2CO_3(aq) + HPO_4^2-(aq) Bronsted would identify the acidic species as: HCO_3^- and H_2CO_3 HCO_3^- and HPO_4^2- H_2CO_3 and HPO_4^2- H_2PO_4 and H_2CO_3 H_2PO_4 and H_2CO_3 H_2PO_4 and HPO_4^2-

Explanation / Answer

11) option D the reaction must shift to left to reach equilibrium

12) option D   H2PO4- and H2CO3

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