Chemistry 0620 · IGCSE · Alkenes

Alkenes — practice question

A hydrocarbon turns bromine water colourless. Which statement concerning the hydrocarbon is correct?

  • AIt is an alkane.
  • BIts molecular formula is $\text{C}_2\text{H}_6$.
  • CIt is a saturated hydrocarbon.
  • DIt has the general formula $\text{C}_n\text{H}_{2n}$.

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