Definition of Markovnikov rule
: a statement in chemistry: in the addition of compounds to olefins the negative portion of the compound added (as the bromine in hydrogen bromide) becomes attached to the least hydrogenated end of the carbon-carbon double bond (as in the addition of hydrogen bromide to propylene: CH3CH=CH2+HBr→CH3CHBrCH3)
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Origin and Etymology of markovnikov rule
after Vladimir V. Markovnikov †1904 Russian chemist
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