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Scrieti formule de structura pentru 2 omilogi a acidului propanoic,numiti-le.

Răspuns :

CH3-CH2-CH2-COOH: acid butanoic/acid butiric si CH3-CH2-CH2-CH2-COOH:acid pentanoic sau acid valerianic
omologi inferiori : HCOOH , CH3-COOH

omologi superiori : CH3-CH2-CH2-COOH, CH3-CH2-CH2-CH2-COOH