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Chemical Equilibrium /
Quiz 5

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MDCAT - Practice Test - Chemistry - Chemical Equilibrium Quiz

Attempt 10 MCQs on MDCAT - Practice Test - Chemistry - Chemical Equilibrium | Quiz 5

41. How does increasing temperature affect the water-gas shift reaction?

Right
Left
No shift
Reaction stops

42. What happens to Q when we add a reactant?

Q < K, forward
Q > K, reverse
Q = K, no shift
Q becomes undefined

43. What is the common ion effect?

Decreases solubility
Increases solubility
No effect
Salt precipitates

44. How does decreasing temperature affect this exothermic reaction?

Right
Left
No shift
Reaction reverses

45. What conditions favor methanol synthesis?

High pressure, moderate temperature
Low pressure, high temperature
High pressure, high temperature
Low pressure, low temperature

46. What is the symbol for the solubility product constant?

Ksp
Kc
Kp
Ka

47. What is the Ksp expression for AgCl?

[Ag+][Cl-]
[Ag+]^2[Cl-]
[Ag+][Cl-]^2
[AgCl]

48. What is the Ksp expression for PbI2?

[Pb2+][I-]^2
[Pb2+]^2[I-]
[Pb2+][I-]
[PbI2]

49. When does precipitation occur in a solution?

Q > Ksp
Q < Ksp
Q = Ksp
Q = 0

50. How does the common ion effect affect solubility?

Decreases
Increases
Unaffected
Becomes zero

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Instructions: Select one answer per question. After submitting, you will see your score, correct answers, and explanations.

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