Consider the reaction Acetic acid + Ethanol => Ethylacetate + water 1-Which of t

Question

Consider the reaction Acetic acid + Ethanol => Ethylacetate + water

1-Which of the following statements is not true nor a part of the background of the equilibrium experiment?

a)The equilibrium constant is calculated using the law of mass action.

b)The size of the equilibrium constant indicates the relative amounts of reactant and products at equilibrium.

c)The equilibrium constant is never negative.

d)The equilibrium takes place relatively quickly without a catalyst.

e)The equilibrium constant is independent of the initial product concentrations.

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2-Which of the following statements is false and not a part of the purpose of the equilibrium experiment?

a)The equilibrium constant is independent of starting proportions of reactants and products.

b)The equilibrium constant is independent of the direction that the reaction needs to shift.

c)The equilibrium constant is independent of the temperature at which the reaction takes place.

d)The equilibrium constant is independent of the initial reactant concentrations.

e)The equilibrium constant is independent of the initial product concentrations.

a)The equilibrium constant is calculated using the law of mass action.

b)The size of the equilibrium constant indicates the relative amounts of reactant and products at equilibrium.

c)The equilibrium constant is never negative.

d)The equilibrium takes place relatively quickly without a catalyst.

e)The equilibrium constant is independent of the initial product concentrations.

Explanation / Answer

1)

C and D are not true:

Because the reaction is very slow at room temperature.HCl is added as a catalyst to speed it up.The Hcl does not take part in the overall reaction but the water found in the dilute acid does take part in the reaction and the number of moles of it added to a mixture must be taken into consideration.

2)

The equilibrium constant is independent of temperature is a false statement and not a purpose of the experiment

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