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The polarity produced in a multiple bonded compound as it is approached by a reagent best describes the electrophilic attack. The approaching reagent, often an electrophile, will be attracted to the electron-rich region of the molecule, which is usually located near the multiple bond. This interaction leads to the formation of a temporary dipole moment, where the electron-rich region becomes slightly more negative and the electron-poor region becomes slightly more positive. This phenomenon plays a crucial role in various organic reactions, influencing the reactivity and selectivity of the reaction.