Kinetic Study Quiz

Which of the following is NOT a material required for the reaction between sodium thiosulfate and hydrochloric acid?

• 250 ml conical flasks

• 1 molar hydrochloric acid

• Bunsen burner

• 0.1 mol sodium thiosulfate solution

What is the concentration of sodium thiosulfate in flask B after adding distilled water?

• 0.02 molar

• 0.04 molar

• 0.06 molar

• 0.08 molar

How much distilled water is added to flask C to achieve the desired concentration?

• 10 mL

• 20 mL

• 40 mL

• 30 mL

What is the purpose of the white tile with a cross mark in the experiment?

• To measure the volume of the solution

• To observe the change in color of the solution

• To determine when the reaction is complete

• To support the conical flask

What does the graph between 1/T and concentration of sodium thiosulfate indicate?

• The reaction rate decreases with time

• The reaction rate is inversely proportional to concentration

• The reaction rate is directly proportional to concentration

• The reaction rate is constant