Markovnikov Rule

Question

Major product of addition of HBr to propene (no peroxides) is:

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1. **Electrophilic Addition**: The reaction begins with the attack of the $\pi$-bond on the proton ($H^+$) of $HBr$.
2. **Markovnikov's Rule**: The proton adds to the carbon atom that already has more hydrogen atoms (the terminal $CH_2$ group).
3. **Carbocation Intermediate**: This results in the formation of a **Secondary Carbocation** ($CH_3-CH^+-CH_3$), which is more stable than a primary one.
4. **Nucleophilic Attack**: The bromide ion ($Br^-$) then attacks the positively charged secondary carbon.
5. **Final Product**: **2-Bromopropane** is formed as the major product.

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Markovnikov Rule

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