In addition of HCI to CH3CH=CH2, which one will be added first:
Correct answer: C. H+
- A. Cl+
- B. Cl-1
- C. H+
- D. H∘
- E. Cl-
Explanation
When HCl is added to an alkene, the first species to add is the proton (H+), which adds to the carbon of the double bond that has the most hydrogen atoms. This follows Markovnikov's rule and creates a carbocation intermediate that can react with Cl- to form the final product. The other options are incorrect because they do not align with the mechanism of the reaction and the principles of organic chemistry.
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Hydrocarbons are studied through the structures and reactions of alkanes, alkenes, alkynes and aromatic compounds. Coverage includes free radical substitution in alkanes, electrophilic addition to carbon-carbon multiple bonds, benzene substitution, aromatic stability and the difference between addition reactions of alkenes and substitution reactions of benzene.
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