Which of the following statements about substitution reactions is true?
A)Substitution reactions involve π bonds.
B)Substitution reactions involve σ bonds.
C)One σ bond breaks and another forms at a different carbon atom.
D)One π bond breaks and another forms at the same carbon atom.

Question

Quizplus · Accepted Answer

Substitution reactions involve the replacement of one atom or group of atoms with another. This typically involves breaking a σ bond between the substituted atom/group and the rest of the molecule, and forming a new σ bond between the incoming atom/group and the rest of the molecule. Therefore, choice B is the correct statement.

Which of the Following Statements About Substitution Reactions Is True