Question 5 1 pts Carbon monoxide and chlorine combine in an equilibrium reaction

Question

Question 5 1 pts Carbon monoxide and chlorine combine in an equilibrium reaction to produce the highly toxic product, phosgene (COC2) CO(g) Cl2(g) COC12(g) + ± If the equilibrium constant for this reaction is Kc-248, predict, if possible, what will happen when the reactants and product are combined with the concentrations shown. [CO] = [Cl2] = 0.0200 M: [COCb] = 0.0992 M The container volume needs to be specified before a prediction can be made. O The temperature needs to be specified before a prediction can be made. O The reaction is at equilibrium, and no change in concentrations will occu The reaction will proceed to the right. O The reaction will proceed to the left.

Explanation / Answer

correct answer : the reaction is at equilibrium , and no change in concentrations will occur

CO (g)   + Cl2 (g)    <--------->   COCl2 (g)

Qc = [COCl2] / [CO][Cl2]

     = 0.0992 / 0.02 x 0.02

Qc = 248

Kc = 248

here Qc = Kc

so the reaction is at equilibrium , and no change in concentrations will occur.

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