Question

Namne PRELAB QUESTIONNAIRE Addition of Hydrogen Bromide to an Alkene 1. Complete the equations below by showing the principal organic products that would be expected. A C HE + HBr peroxides v + HCI- C. (CH),CHCH,CH,CH=CH2 + HBr - D. + HI 2. Rank the species in the groups below according to the indicated criteria. Rank them by numbering from 1-4, writing the answers in the blanks below the structures. A. Stability of free radicals (let the most stable be wl) (CH),CHCH,CH, (CH),"CH,CH, CH (CH3),CHCHCH, B. Stability of carbocations (let the most stable be #1) 165

Answer 1

calts . Peroxide + HBr -C2H5 Br onde todo +Hd -> c) (CH3 CH CH₂ CH₂ CH = CH2 + HBr [CH3 CHCH₂ CH2 CH CH₂ DOH1 – o

2. Rank the species in the groups below according to the indicated criteria. Rank them by numbering from 1-4, writing the answers in the blanks below the structures. A. Stability of free radicals (let the most stable be w1) (CH3),CHCH,CH, - (CH3),ċCH,CH, 1 CH, (CH)CHCHCH, 4 2 B. Stability of carbocations (let the most stable be #1)