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CH1012
CARBONYL COMPOUNDS I
Aldehydes: one word     R1-C(=O)H
1) long-alkyl root = R1-CO                 suffix -al
e.g CH3CH2CHO    Þ                         propanal

Ketones: one word       R-C(=O)R
1) long-alkyl root = R-C(O)-R        suffix -one
e.g CH3C(O)CH3    Þ                 2-propanone