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Buffer Composition Quiz

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Questions and Answers

Which of the following pairs cannot form a buffer?

Strong acid and weak base (correct)

Weak acid and strong base

Weak acid and conjugate base

Weak base and conjugate acid

Which of the following combinations does not create a buffer solution?

A weak acid and its conjugate base

A strong acid and a weak base (correct)

A weak base and its conjugate acid

A weak acid and a strong base

Which of the following pairs does not form a buffer solution?

Ammonia and ammonium chloride

Acetic acid and sodium acetate

Hydrochloric acid and ammonia (correct)

Boric acid and sodium borate

Which of the following is not an example of a buffer solution?

A solution of hydrochloric acid and sodium hydroxide Signup and view all the answers

Which of the following pairs cannot act as a buffer?

A strong acid and a weak base Signup and view all the answers

Which type of equilibrium is most relevant in acid-base titrations?

Acid-base equilibrium Signup and view all the answers

What is the primary role of a buffer solution?

To maintain a constant pH upon addition of an acid or a base Signup and view all the answers

Which equilibrium constant is used to calculate the concentration of an acid in solution?

Acid dissociation constant (pKa) Signup and view all the answers

Which of the following is NOT an application of aqueous equilibria?

Redox reactions Signup and view all the answers

Which of the following is a component of a buffer solution?

A strong acid and its conjugate base Signup and view all the answers

What is the endpoint of an acid-base titration?

When the titrant completely reacts with the acid Signup and view all the answers

Which of the following factors does NOT influence the solubility of a substance in aqueous solutions?

The type of ligand present Signup and view all the answers

In the preparation of a buffer solution, the equilibrium constant for the reaction is used to calculate which of the following?

The concentrations of the weak acid and its conjugate base Signup and view all the answers

Which of the following is NOT an application of complexation equilibria?

Maintaining a stable pH environment in biological systems Signup and view all the answers

Which of the following is NOT a factor that influences the formation of complexes in aqueous solutions?

The type of solvent used Signup and view all the answers

Which of the following is NOT a use of buffer solutions?

Understanding the behavior of metal ions in aqueous solutions Signup and view all the answers

Which of the following is NOT a factor that influences the solubility of a substance in aqueous solutions?

The presence of other solutes in the solution Signup and view all the answers