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Chemistry · May / June 2025 · Paper 11 · Question 11

5070Relative masses of atoms and molecules

An organic compound has an $M_r$ of 88. What is the molecular formula of this compound?

  1. AC$_{10}$H$_{20}$O
  2. BC$_5$H$_{10}$O
  3. CC$_4$H$_8$O$_2$
  4. DC$_2$H$_4$O

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Correct answer: C. C$_4$H$_8$O$_2$

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