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AP Chemistry Equilibria of Other Reaction Classes — practice questions

Explore 23 free Equilibria of Other Reaction Classes questions in AP Chemistry Chemistry. Open each question or exercise to read its content, reference answers and available explanation.

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Equilibria of Other Reaction Classes questions and exercises with answers

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The solubility of a substance is described as varying from essentially zero to:Read the answer and worked solution →Molar solubility is measured as moles of dissolved solute per litre of:Read the answer and worked solution →A solution in which the dissolution equilibrium has been established is described as:Read the answer and worked solution →Which quantity is compared with Ksp to decide whether precipitation occurs?Read the answer and worked solution →Compared with pure water, the solubility of an ionic compound in a solution containing a common ion is:Read the answer and worked solution →A common ion is defined as one that is also produced by the:Read the answer and worked solution →Lewis identified acids and bases by their ability to accept or donate:Read the answer and worked solution →In Lewis acid-base chemistry, the species donating the electron pair is the:Read the answer and worked solution →In Lewis acid-base chemistry, the species accepting the electron pair is the:Read the answer and worked solution →The product of a Lewis acid-base reaction is called a Lewis acid-base:Read the answer and worked solution →Reactions involving the formation of coordinate covalent bonds are classified as:Read the answer and worked solution →Ligands binding a metal ion may be neutral molecules such as water and ammonia, or:Read the answer and worked solution →The equilibrium constant for a metal ion reacting with ligands to form a complex is the:Read the answer and worked solution →Considering the decomposition of a complex ion instead, the equilibrium constant is called a:Read the answer and worked solution →No precipitation occurs when the ion concentrations give a reaction quotient that:Read the answer and worked solution →Adding sodium chloride to a saturated silver chloride solution lowers the silver chloride solubility because chloride is:Read the answer and worked solution →A metal ion binding several cyanide ligands is best described in Lewis terms as the:Read the answer and worked solution →Molar solubility is preferred for solubility calculations because it expresses dissolved solute in:Read the answer and worked solution →Match each equilibrium constantRead the answer and worked solution →Tap what belongs to each Lewis roleRead the answer and worked solution →True or false: solubility equilibriaRead the answer and worked solution →Stop on the right constantRead the answer and worked solution →Complete the Lewis definitionsRead the answer and worked solution →

Worked practice questions

The solubility of a substance is described as varying from essentially zero to:

  1. Infinity, or miscible
  2. Exactly one mole
  3. Exactly ten grams
  4. A fixed upper bound
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Correct answer: A. Infinity, or miscible

1. Solubility spans an enormous range across substances. 2. The solubility of a substance can vary from essentially zero. 3. That zero end covers insoluble or sparingly soluble compounds. 4. At the other end solubility runs to infinity, which is miscible. _Source: OpenStax Chemistry 2e (CC BY 4.0), Ch 15 'Equilibria of Other Reaction Classes', sections 15.1-15.3_

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Molar solubility is measured as moles of dissolved solute per litre of:

  1. Concentrated acid
  2. Saturated solution
  3. Pure solid solute
  4. Distilled cold water
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Correct answer: B. Saturated solution

1. Molar solubility needs a stated volume basis. 2. Solubility calculations are most conveniently performed using molar solubility. 3. Molar solubility is measured as moles of dissolved solute per liter. 4. That litre is a litre of saturated solution. _Source: OpenStax Chemistry 2e (CC BY 4.0), Ch 15 'Equilibria of Other Reaction Classes', sections 15.1-15.3_

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A solution in which the dissolution equilibrium has been established is described as:

  1. Saturated
  2. Oversaturated
  3. Unsaturated
  4. Concentrated
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Correct answer: A. Saturated

1. Equilibrium between solid and solution defines one state. 2. A saturated solution of silver chloride illustrates the idea. 3. It is one in which the dissolution equilibrium has been established. 4. Molar solubility is then measured per litre of that saturated solution. _Source: OpenStax Chemistry 2e (CC BY 4.0), Ch 15 'Equilibria of Other Reaction Classes', sections 15.1-15.3_

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More Chemistry topics

Composition of Substances and SolutionsSolutions and ColloidsStoichiometry of Chemical ReactionsThermodynamicsAcid-Base EquilibriaAtoms, Molecules, and IonsChemical Bonding and Molecular GeometryElectronic Structure and Periodic Properties