CLEP Chemistry Practice Test

Category - Chemistry

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The equation below shows the reaction of chloroform (CHCl₃) with hydrogen (H₂) to produce methane (CH₄) and chlorine (Cl₂):

2CHCl_3(g) + 3H_2(g) + heat ↔ 2CH_4(g) + 3Cl_2(g)

Which of the following changes will shift the equilibrium to the right, producing more methane?

raising the temperature of the reaction
lowering the concentration of hydrogen
increasing the total pressure of the gases
increasing the volume of the reaction vessel

Explanation

Answer: A - Raising the temperature of the reaction.

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