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CG PET Definition — practice questions

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**Ethers** have the general formula:

  1. R-OH
  2. R-O-R' (two alkyl/aryl groups bonded via oxygen)
  3. R-CO-R'
  4. R-CHO
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Correct answer: B. R-O-R' (two alkyl/aryl groups bonded via oxygen)

**Ethers:** R-O-R' where R, R' are alkyl/aryl groups (same or different). E.g., diethyl ether $(C_2H_5)_2O$, anisole $C_6H_5OCH_3$, THF (cyclic). Generally less reactive than alcohols; used as solvents.

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