Chemistry 9701 · AS & A Level · Atoms, molecules and stoichiometry

Atoms, molecules and stoichiometry — practice question

A single molecule of dodecane, $\text{C}_{12}\text{H}_{26}$, is cracked to give three product molecules, X, Y and Z. X is a straight-chain alkane. Y and Z are straight-chain alkenes with different $M_r$ values. Which statements concerning X, Y and Z are correct?

  • A1, 2 and 3 are correct
  • B1 and 2 only are correct
  • C2 and 3 only are correct
  • D1 only is correct

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