Practice Quiz

AP Chemistry Exam Prep

Category - AP Chemistry

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Which of the following compounds has a single pi bond? Hint: draw structures of each.
  1. Ammonia
  2. Sulfuric Acid
  3. Methane
  4. Hydrogen cyanide
  5. Hydrogen Peroxide
Explanation
Answer: B. Ammonia (NH3) has 3 single bonds. Hydrogen peroxide has 3 single bonds. Hydrogen cyanide has two pi bonds (triple bond), and the question asks for one. Methane has only single bonds. Only B has a double bond (2 double bonds between oxygen and sulfur), which indicates the presence of a pi bond. Students can determine this by drawing out structures and seeing the types of bonds each has.
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