Experiment 6: Determining The Actuvation Energy Of The Reactions Between Bromide And Bromate (v) Ions Flashcards Preview

Chem1048 Lab Test Prep > Experiment 6: Determining The Actuvation Energy Of The Reactions Between Bromide And Bromate (v) Ions > Flashcards

Flashcards in Experiment 6: Determining The Actuvation Energy Of The Reactions Between Bromide And Bromate (v) Ions Deck (4)
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1
Q

What would happen if you omitted the phenol from the reaction mixture

A

Phenol slows down the rate of the reaction

  • if phenol is omitted = rxn occurs too quickly
  • inaccurate data collection
2
Q

What function does methyl red play in the experiment

A
  • changes colour when all the phenol is used up
  • allows us to determine the amount of bromine formed
  • acts as a dye
3
Q

Based on your results, is it advisable to measure the reaction rate at temperatures above 60 degrees Celsius?

A

No

  • rxn occurs rapidly at high temperatures
  • difficult to time accurately
4
Q

Based on your results, how was the reaction affected by temperature?

A
  • as temperature increases, reaction time decreases
    = rxn rate increases
  • as temp increase, more molecules gain minimum energy faster = can react faster
  • more effective collisions in the right orientation can occur