Markovnikov's rule and carbocation stability

Predict the major product when a hydrogen halide or water adds to an unsymmetrical alkene, explaining that the reaction goes through the more stable carbocation (tertiary over secondary over primary) stabilized by the inductive effect of alkyl groups.

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Which compound is the major product when 2-methylpropene, $\ce{(CH3)2C=CH2}$ , reacts with hydrogen chloride, $\ce{HCl}$ ? A. $\ce{(CH3)3CCl}$ B. $\ce{(CH3)2CHCH2Cl}$ C. $\ce{CH3CHClCH2CH3}$ D. $\ce{(CH3)2CClCH2Cl}$

(i) Iodine molecules, $\ce{I2}$ , undergo homolytic fission when they absorb light. Write an equation for this process, using curly arrows to show the movement of the electrons. (ii) In the presence of a suitable reagent the I–I bond can instead break…

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