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The table above shows data for two reactions carried out in two separate evacuated 1.0-liter rigid containers at constant temperature of 298K. To each container 0.50mol of the appropriate reactants was added, and the reaction was allowed to reach equilibrium. Based on this information, which of the following correctly compares the relative concentrations of BrCl and NO present inside their respective containers at equilibrium?ReactionEquilibrium Reactions at 298KKeq1Br2(g)+Cl2(g)⇄2BrCl(g)10.2N2(g)+O2(g)⇄2NO(g)4.2×10−31

Answer :

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[BrCl]eq>[NO]eq[BrCl]eq>[NO]eq because the much larger Keq for reaction 1 means that a much higher concentration of products will be present at equilibrium for reaction 1 compared with reaction 2.

What is equilibrium of reaction?

The stage at which the rate of the forward reaction is equal to the rate of backward reaction is called an equilibrium stage. At this point, the number of reactant molecules converting into products and product molecules into reactants are the same.

What is an example of an equilibrium reaction?

A few examples of equilibrium are: A book kept on a table at rest. A car moving with a constant velocity. A chemical reaction where the rates of forward reaction and backward reaction are the same.

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