Examples. • Methanol (CH4O) • Butanol (C4H10O)

• Methanol (CH₄O) • Butanol (C₄H₁₀O)

• Ethanol (C₂H₆O) • Pentanol (C₅H₁₂O)

• Propanol (C₃H₈O) • Hexanol (C₆H₁₄O)

Ethers

Ethers are organic compounds that contain the ether group, which is identified as two alkyl or aryl groups connected by an oxygen atom. The general formula of ethers is R-O-R'. Depending on whether the alkyl or aryl groups on both sides of the oxygen atom, are similar or different, ethers are classified as simple (symmetrical) and mixed (asymmetrical). In simple ethers, both R and R' are the same, while in mixed ethers, R and R' are different alkyl or aryl groups. The simplest ether is dimethyl ether, in which two methyl groups are connected to an oxygen atom.

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