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Electromeric effect
(1) The occurrence of movement of electrons from one atom to other in multi bonded atoms at the demand of attacking reagent is known as electromeric effect. It is points out as E-effect and illustrated by a curved arrow showing the shifting of electron pair.
(2) While the transfer of electrons take place towards the attacking substance, the influence is termed as +E effect. The inculcation of acids to alkenes.
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