Practice Quiz

Praxis II: Chemistry Exam Prep - Question List

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21. H2S + H2O --> HS- + H3O+

In the reaction above, what is the conjugate base of H2S?
  1. H2O
  2. HS-
  3. H3O+
  4. H2S has no conjugate base
  5. H2S acts as its own conjugate base
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22. Which of the following compounds will not form an electrolytic solution when dissolved in water?
  1. NaCl
  2. KCl
  3. NaNO3
  4. CH4
  5. LiNO3
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23. Ag+(aq) + e- --> Ag(s)

In an electrolytic cell, where could this chemical reaction occur?
  1. Anode
  2. Cathode
  3. Salt bridge
  4. In solution
  5. This reaction could not occur in an electrolytic cell
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24. Which of the following is the correct electron configuration for copper?
  1. [Ar] 4s23d9
  2. [Ar] 4s13d10
  3. [Ar] 3s23d9
  4. [Ar] 3s13d10
  5. [Kr] 4s23d9
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25. Which of the following statements about electrostatic energy is false?
  1. It is a form of potential energy, not kinetic energy
  2. It is a form of kinetic energy, not potential energy
  3. Electrostatic energy is stored in point charges, like electrons and protons
  4. The electrostatic energy of one charge alone is zero
  5. Electrostatic energy is equal to the work it takes to move two charges close together
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