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Multiple Choice
Which of the following is a key environmental factor that affects the rate of organic chemical reactions?
A
Pressure
B
Temperature
C
Humidity
D
Light intensity
Verified step by step guidance
1
Identify the key environmental factors that can influence the rate of organic chemical reactions. These typically include temperature, pressure, humidity, and light intensity.
Understand that temperature is a crucial factor because it affects the kinetic energy of molecules. Higher temperatures generally increase the rate of reaction by providing more energy to overcome activation barriers.
Consider the role of pressure, which primarily affects reactions involving gases. Changes in pressure can alter the concentration of gaseous reactants, thus influencing the reaction rate.
Evaluate the impact of humidity, which can affect reactions where water is a reactant or product. However, its influence is generally less significant compared to temperature.
Examine the effect of light intensity, which is important in photochemical reactions where light provides the energy needed to initiate the reaction. However, for most organic reactions, temperature is the predominant factor.