Chemical Reaction Predictors: Single and Double Displacement
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Questions and Answers

What is the general form of a single replacement reaction?

  • Compound + Unbonded Element -> New Compound + Metal
  • Element + Compound -> New Compound + Unbonded Element
  • Metal + Compound -> New Compound + Unbonded Element (correct)
  • Unbonded Element + Compound -> New Compound + Element

    • What distinguishes a double displacement reaction from a single replacement reaction?

  • Double displacement involves two elements reacting, while single replacement involves two compounds.
  • Double displacement involves a metal reacting, while single replacement involves a non-metal.
  • Double displacement involves two compounds reacting, while single replacement involves an uncombined element and a compound. (correct)
  • Double displacement involves the formation of only one product, while single replacement involves the formation of two products.

    • Why is it valuable to predict the products of a chemical reaction before mixing the reactants?

  • To decrease the likelihood of a reaction occurring
  • To increase the speed of the reaction
  • To ensure safety by knowing the potential products (correct)
  • To create more reactants for experimentation

    • What role does the Activity Series of Metals play in chemical reactions?

    <p>It predicts whether a single displacement reaction will occur</p> Signup and view all the answers

    In a single replacement reaction, if a metal uncombined element replaces the cation of a compound, what are the expected products?

    <p>New compound and new unbonded metal</p> Signup and view all the answers

    What makes double displacement reactions different from single replacement reactions?

    <p>Double displacement involves two compounds swapping ions, while single replacement involves an element replacing another element in a compound.</p> Signup and view all the answers

    Why is confidence in predicting chemical reaction products crucial for safety?

    <p>To prevent harmful chemical exposure</p> Signup and view all the answers

    Based on the text, which element is most likely to donate electrons to complete a valence shell?

    <p>Potassium</p> Signup and view all the answers

    In the activity series of metals, what does it mean if an element is listed higher on the table?

    <p>It is more reactive.</p> Signup and view all the answers

    What does the comparison of potassium with magnesium in the activity series indicate?

    <p>Potassium will replace magnesium in a reaction.</p> Signup and view all the answers

    Why would a reaction not take place between an unbonded metal and a cation if the metal is lower on the activity series than the cation?

    <p>The metal is less reactive than the cation.</p> Signup and view all the answers

    How does the activity series of non-metals differ from that of metals?

    <p>Non-metals form anions in reactions.</p> Signup and view all the answers

    Which element is the least reactive non-metal based on the activity series of non-metals provided in the text?

    <p>Iodine</p> Signup and view all the answers

    What determines whether a reaction will occur when comparing two elements using an activity series?

    <p>Valence electrons</p> Signup and view all the answers

    Using the activity series provided, what product would result from a reaction between zinc and iron?

    <p>$\text{Zinc chloride and iron metal}$</p> Signup and view all the answers

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