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alkane-CnH2n+2 alkene-CnH2n alkyl-CnH2n+1 aldehyde-R-CHO where R is any alkyl group ketone-R-CO-R where R is any alkyl group cycloalkane-CnH2n. svetlana Â· 5 years ago.
An alkane is a molecule made up entirely of carbon and hydrogen where the carbon atoms are connected by single bonds. The general formula for an alkane is C n H 2n+2 where n is the number of carbon atoms in the molecule.Each carbon atom has four single bonds and forms a tetrahedron. This means the bond angle is 109.5Â°.he general formula for an alkane is C n H 2n+2 where n is the number of carbon atoms in the molecule. Each carbon atom has four single bonds and forms a tetrahedron.