Chemistry 5070 · O Level · The mole and the Avogadro constant

The mole and the Avogadro constant — practice question

The diagrams display the structures of ethene and propene. Which statement about equal volumes of ethene gas and propene gas at r.t.p. is correct?

  • AThey contain equal numbers of atoms.
  • BThey give equal volumes of carbon dioxide when burnt completely in oxygen.
  • CThey give equal masses of ethane and propane when reacted with hydrogen.
  • DThey react with equal masses of bromine.

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