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Unformatted text preview: Exam-3-key.doc - 2 - 1. (40 pts) True or False. a) When HBr reacts with an asymmetrical alkene via radical addition, the bromine atom attaches to the less substituted alkene C-atom. True b) Alkenes usually act as electrophiles. False c) Electrophilic addition reactions of alkenes involve carbocation intermediates that do not rearrange. False d) A strong acid is often consumed in the hydration reactions of alkenes. False e). The Markovnikov’s rule is applicable to a wide variety of addition reactions involving alkenes and many electrophiles. True f) Terminal alkynes are more acidic than ammonia. True g) An acetylide cannot be generated by treating a terminal alkyne with an alkyllithium reagent. False h) Alkoxide ions can exist in their corresponding alcohols. True i) The most important factor determining the boiling point of an alcohol is its dipole moment. False j) Tertiary alcohols are less acidic than primary alcohols....
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