Markovnikov's Rule wuxuu ku dhisanyahay carbocation-ka ugu xasilloon inta lagu guda jiro geeddi-socodka ku darista. Ku darista ion hydrogen-ka hal kaarboon kaarboon ee alkene wuxuu abuuraa lacag wanaagsan oo ku saabsan kaarboon kale, isagoo abuuraya carbocation dhexdhexaad ah. Carbocation-ka oo badanaa la beddelay, ayaa sii xasilloon, sababtoo ah induction iyo hyperconjugation. Waxsoosaarka ugu weyn ee fal-celinta ku darista ayaa noqon doona midka ka sameysan dhexdhexaadinta xasilloon. Sidaa darteed, waxsoosaarka ugu weyn ee ku darista HX (halka X uu yahay qaar ka badan atom electronegative ka badan H) ee alkene wuxuu leeyahay atomka hydrogen-ka booska ugu yar ee la beddelay iyo X booska ugu badan ee la beddelay. Laakiin carbocation-ka kale ee ka yar ee la beddelay, oo ka yar xasilloon ayaa wali lagu soo saari doonaa xoogaa isku-darka, wuxuuna sii wadi doonaa inuu noqdo midka ugu yar ee ka soo horjeeda, ku xiran,
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