Question

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Question 9 (1 point) What is true about the following reaction at 25°C?<br /> HBrO(aq) + NaOH(aq) = NaBrO(aq) + H2O(1) OK> 1 hence there will be mostly products at equilibrium. OK> 1 hence there will be mostly reactants at equilibrium. OK< 1 hence there will be mostly products at equilibrium. OK< 1 hence there will be mostly reactants at equilibrium. Question 10 (1 point) What is true about the following reaction at 25°C?<br /> NaBrO(aq) + HBr(aq) HBrO(aq) + NaBr(aq) O AG° > 0. The reactants are more stable than the products. O AG° > 0. The products are more stable than the reactants. O AG° < 0. The reactants are more stable than the products. O AG° < 0. The products are more stable than the reactants.

Answer 1

In an acid base reaction, strong acid reacts with strong base to form weak conjugate base and weak conjugate acid.

The equilibrium is towards weak conjugate base and weak conjugate acid.

Question 9:

HBrO is strong acid. NaOH is strong base. They will react to form weak conjugate base (NaBrO) and weak conjugate acid (H2O).

Hence, the equilibrium is more towards prodcuts.

The value of equilibrium constant is more than 1.

K'> 1

The reaction mixture mostly consists of products.

Question 10:

HBr is a strong acid. It will react with NaBrO to form weak conjugate base NaBr. NaBrO gives weak acid HBrO

Hence, the equilibrium is more towards prodcuts. The reaction mixture mostly consists of products.

It shows that the products are more stable than reactants as chemical reactions occur to attain stability.

Forward reaction is spontaneous. Spontaneous reactions have neative standard Gibbs free energy change.

and the products are more stable than reactants.

AGⓇ <1