Stirred Tank Reactor Experiment Quiz

What is the purpose of the experiment in the stirred tank reactor?

• To study the effect of temperature on polymerization

• To investigate the reaction kinetics of saponification

• To analyze the crystallization of sodium hydroxide

What is the chemical equation for the saponification reaction in the experiment?

• CH₃​COOC₂​H₅ ​+ NaOH → CH₃​COONa + C₂​H₅​OH

• NaCl + H₂​O → NaOH + Cl₂​

• C_6​H₁₂​O₆ ​+ O_2​ → CO₂ + H₂​O

What are the three types of impellers tested in this experiment?

• Axial, Radial, Tangential

• Paddle, Helical, Propeller

• Circular, Blade, Spiral

What is the role of baffles in the reactor?

• To prevent vortex formation and enhance mixing

• To reduce the power consumption of the impeller

• To increase the reaction temperature

Which of the following is used to monitor the progress of the reaction?

• Phenolphthalein indicator and titration with HCl

• A pH meter

• Gas chromatography

How is the effect of stirring speed studied in the experiment?

• By varying the solution viscosity

• By using speeds such as 100, 150, and 200 rpm

• By changing the temperature of reactor

Which parameter is analyzed using the titration data?

• Reaction rate constant

• Activation energy

• Heat transfer coefficient

What is the concentration of sodium hydroxide and ethyl acetate used in the experiment?

• 0.01 M

• 0.02 M

• 0.03 M

What does an unbaffled reactor typically produce during mixing?

• Uniform mixing

• A central vortex

• High turbulence

What is the expected effect of using a baffled reactor?

• Increased vortex formation

• Enhanced uniformity in mixing

• Reduced reaction rate