Different carbon skeletons

butane and 2-methylpropane

C5 and C6 alkanes

3-methylhexane and 2,2,3-trimethylbutane and other pentane isomers

methylcyclopentane and cyclohexane

possible C6 alkanals

Different functional groups

ethanol and dimethylether

methyl propanoate and butanoic acid

2-pentanone and 3-methylbutanal

butanoic acid and other organic compounds

butanal, MEK, and methylpropanal

Different positions of functional groups

C5 alkanols

C4 diols

amino butyric acids

the phthalic acids


Cis-trans isomers

dichloroethane and dichloroethene

maleic and fumaric acids

making elaidic acid

E, Z isomerism

sorting out pentenes


recognizing enantiomers

glucose enantiomers

racemic mixtures and meso-forms

epinephrine and adrenalin

glycine, the only optically inactive amino acid

Isomerisation processes

heating malic acid

rearranging octane to form iso-octane

cis-2-butenoic acid and trans-2-butenoic acid

durene isomers and synthetic petrol

citrate to isocitrate - an enzyme at work

A gaggle of isomers

butyl alcohol isomers

ethyl ether and 1-butanol

a pheromone

alpha-myrcene and beta-myrcene

monochloro derivatives of 2,5-dimethylhexane