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CHEMISTRY, M3 EQ-Bank 2 MC

Which of the following equations involving sulfur compounds represents a synthesis reaction?

  1. \(\ce{2ZnS(s) + 3O2(g) -> 2ZnO(s) + 2SO2(g)}\)
  2. \(\ce{SO2(g) + O2(g) -> 2SO3(g)}\)
  3. \(\ce{SO2(g) -> S(s) + O2(g)}\)
  4. \(\ce{H2SO4(aq) -> SO3(g) + H2O(l)}\)
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\(B\)

Show Worked Solution

→ A synthesis reaction is one where two or more reactants (sulfur dioxide and oxygen) combine to form a more complex product (sulfur trioxide).

\(\Rightarrow B\)