Question

Trichloroacetic acid is used to treat genital warts. Write the equilibrium reaction for this weak acid...

Trichloroacetic acid is used to treat genital warts. Write the equilibrium reaction for this weak acid in aqueous solution. A) What substances are present at equilibrium? B) Are the concentrations of the acid and constant or changing at equilibrium? C) What happens to the equilibrium if more trichloroacetate is added to the reaction? D) If more hydronium ions are added to the reaction, does the reaction shift to the left or right?

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Homework Answers

Answer #1

a)

the equilibrium is given by

CCl3COOH + H20 ----> H30+ + CCl3COO-

b)

at equilibrium

the concentration of acid is constant

c)

CCl3COOH + H20 ----> H30+ + CCl3COO

now

we know that

according to Lechatlier principle

the equilibrium will shift in such a direction to counter the change

given

more CCl3COOH is added ,

so

the conc of CCl3COOH is increased

so

the equilibrium will shift in a direction to decrease the conc of CCl3COOH

so

the equilibrium will shift towards the products


d)

similarly

the conc of H30+ is increased

so

the equilibrium will shift to the left to decrease the conc of H30+

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