Which of the Following Is a Substitution Reaction

question 10

Multiple Choice

Which of the following is a substitution reaction?

• A) C₂H₂(g)+ H₂(g)→ C₂H₄(g)
• B) C₆H₆(l)+ HNO₃(l)→ C₆H₅NO₂(l)+ H₂O(l)
• C) CH₃CH₂CH₂OH(l)→ CH₃CHCH₂(g)+ H₂O(l)
• D) CH₃OH(aq)+ HCOOH(aq)→ C₂H₅−O−CHO(l)+ H₂O(l)
• E) 2C₂H₂(g)+ 5O₂(g)→ 4CO₂(g)+ 2H₂O(g)