For Which of the Following Reactions Would the Transition State $\rightarrow$

Multiple Choice

For which of the following reactions would the transition state most resemble the products? The following bond dissociation energies may be useful. (CH₃) ₂CH-H CH₃CH₂CH₂-H H-F
(413 kJ mol^-1) (423 kJ mol^-1) (570 kJ mol^-1)
H-Cl H-Br
(432 kJ mol^-1) (366 kJ mol^-1)

A)

B) CH₃CH₂CH₃ + F· $\rightarrow$ CH₃CH₂CH₂· + HF
C)

D) CH₃CH₂CH₃ + Cl· $\rightarrow$ CH₃CH₂CH₂· + HCl
E) CH₃CH₂CH₃ + Br· $\rightarrow$ CH₃CH₂CH₂· + HBr