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# The inductive effect: Strength, classification, transmission and partial charges

## Strength

The inductive effect is stronger the more the differences in electronegativity are stronger

The greater electronegativity of bromine than chlorine causes a greater $-I$ effect.

## Ranking

$-I$ effect

$R$ is an alkyl group or an $H$ atom. The more the hydrocarbon chain of $R$ is branched or long (in that order) the smaller is the $-I$ effect.