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Chemical Equilibrium /
Quiz 7

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MDCAT - Practice Test - Chemistry - Chemical Equilibrium Quiz

Attempt 10 MCQs on MDCAT - Practice Test - Chemistry - Chemical Equilibrium | Quiz 7

61. What is the common ion effect?

Decrease in solubility
Increase in solubility
No change in solubility
Complete dissolution

62. What phenomenon explains reduced AgCl solubility in NaCl solution?

Common ion effect
Le Chatelier's principle
Buffer effect
Salt effect

63. In which analytical technique is the common ion effect used for separation?

Qualitative analysis
Quantitative analysis
Titration
Chromatography

64. How does adding AgNO3 affect Ag2CrO4 solubility?

Decreases
Increases
No effect
Precipitate dissolves

65. Where is BaSO4 more soluble?

Greater in pure water
Greater in 0.1 M Na2SO4
Equal in both
Zero in both

66. What is the solubility of CaF2 in 0.010 M CaCl2?

3.12 x 10^{-5} M
2.14 x 10^{-4} M
1.56 x 10^{-5} M
6.24 x 10^{-5} M

67. Which principle explains the common ion effect?

Le Chatelier's principle
Hess's law
Graham's law
Boyle's law

68. Which salt is used to precipitate Ca2+ from hard water?

Sodium carbonate
Sodium chloride
Sodium sulfate
Sodium nitrate

69. What is the solubility of AgCl in 0.1 M NaCl?

1.8 x 10^{-9} M
1.34 x 10^{-5} M
9.0 x 10^{-11} M
3.6 x 10^{-10} M

70. Where else does the common ion effect apply?

Acid-base equilibria
Only solubility
Only gas equilibria
Only redox reactions

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