The species shown below represents the transition state for the
A. reaction of 1-propanol with HBr. B. reaction of 1-bromopropane with OH-. C. elimination of HBr from 1-bromopropane.
D. addition of HBr to propene with peroxides.
Solution: In a transition state, dashed line represent bonds that are either partially broken or partially formed. We can see that the molecule has a leaving group, bromine. We also see that OH is attaching to the carbon that has bromine and the bond between carbon and bromine is being partially broken. Therefore, choice B is the correct answer choice.
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