Chemistry 9701 · AS & A Level · Reaction kinetics

Reaction kinetics — practice question

Two stages of the free-radical substitution reaction between methane and chlorine are given below. step 1 $\text{CH}_3\boldsymbol{\cdot} + \text{Cl}_2 \rightarrow \text{CH}_3\text{Cl} + \text{Cl}\boldsymbol{\cdot}$ step 2 $\text{CH}_3\text{Cl} + \text{Cl}\boldsymbol{\cdot} \rightarrow \text{CH}_2\text{Cl}\boldsymbol{\cdot} + \text{HCl}$ Which statement is the correct one?

  • AStep 1 is initiation and step 2 is propagation.
  • BStep 1 is propagation and step 2 is termination.
  • CStep 1 is initiation and step 2 is termination.
  • DBoth steps are propagation.

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI