1) 5 mL of ethanol, CH₃CH₂OH, undergoes combustion in a test tube with a diameter of 1 cm. This experiment is performed in a fume cupboard. The temperature in the fume cupboard is 20 °C. Which one of the following actions will reduce the rate of reaction?
A. Mix 2 mL of a dilute solution of sodium hydroxide, NaOH, with the ethanol.
B. Perform the experiment in a test tube with a diameter of 2 cm.
C. Increase the temperature in the fume cupboard to 25 °C.
D. Increase the volume of the ethanol to 7 mL.

Solution

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