Examples. • Methoxymethane or dimethyl ether (C2H6O) • 1,4-Dioxane (C4H8O2)

• Methoxymethane or dimethyl ether (C₂H₆O) • 1,4-Dioxane (C₄H₈O₂)

• Ethoxyethane or diethyl ether (C₄H₁₀O) • Polyethylene glycol (C_2nH_4n+2On+1)

• Oxolane or tetrahydrofuran (C₄H₈O)

Aldehydes

An organic compound that contains a formyl group, is known as an aldehyde. The presence of a carbonyl center that is linked to a hydrogen atom on one side, and an R- group on the other, is what defines an aldehyde. The carbonyl center is a carbon atom that is linked to an oxygen atom by double covalent bonds. The general formula for aldehydes is R-CHO, where -CHO is the formyl group. Organic compounds that have two aldehyde groups are known as dialdehydes. An example of a dialdehyde is glyoxal.

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