Chemistry 5070 · O Level · Alkenes

Alkenes — practice question

Hydrocarbon compounds are able to make rings of carbon atoms as well as chains. The structures of two hydrocarbon rings, P and Q, are displayed. Which one of P and Q is unsaturated, and which one reacts with aqueous bromine?

  • Ais unsaturated: P, reacts with aqueous bromine: P
  • Bis unsaturated: P, reacts with aqueous bromine: Q
  • Cis unsaturated: Q, reacts with aqueous bromine: P
  • Dis unsaturated: Q, reacts with aqueous bromine: Q

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