Practice Quiz

SAT II Chemistry Exam Prep - Question List

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1. Consider the following system at equilibrium:

2NOCl(g) <--> 2NO(g) + Cl2(g)

According to Le Chatelier’s principle, what will occur when the equilibrium concentration of NOCl(g) is reduced?
  1. The equilibrium concentration of NO(g) alone decreases
  2. The equilibrium concentration of Cl2(g) alone decreases
  3. The equilibrium concentrations of both NO(g) and Cl2(g) decrease
  4. The equilibrium concentration of NO(g) alone increases.
  5. There will be no effect on the concentrations of NO(g) and Cl2(g)
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2. Which of the following elements does NOT exist as a diatomic molecule at room temperature?
  1. Hydrogen
  2. Oxygen
  3. Neon
  4. Fluorine
  5. Bromine
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3. Which of the following molecules displays planar geometry?
  1. NH3
  2. BH3
  3. XeO4
  4. CH4
  5. SiF6
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4. Which of the following elements has the largest atomic radius?
  1. Lithium
  2. Boron
  3. Fluorine
  4. Potassium
  5. Rubidium
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5. Which of the following symbols represents the angular quantum number?
  1. m
  2. aq
  3. l
  4. s
  5. n
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