Which of the Reactions Listed Below Would Be Exothermic?
A) $\rightarrow$

Which of the reactions listed below would be exothermic?

A) CH₃-CH₃ $\rightarrow$ 2CH₃·
B) CH₃· + CH₄ $\rightarrow$ CH₄ + CH₃·
C) 2(CH₃) ₂CH· $\rightarrow$ (CH₃) ₂CH-CH(CH₃) ₂
D) H· + (CH₃) ₃CH $\rightarrow$ (CH₃) ₃CH + H·
E) None of the above