Which Reaction Would You Expect to Have the Smallest Energy $\Delta$

question 45

Multiple Choice

Which reaction would you expect to have the smallest energy of activation? $\Delta$ H°(kJ mol^-1)

• A) CH₃· + CH₃· --\(\rightarrow\) CH₃CH₃ -378
• B) CH₄ + F· --\(\rightarrow\)CH₃· + HF -130
• C) CH₄ + I· --\(\rightarrow\)CH₃· + HI +142
• D) CH₄ + Br· --\(\rightarrow\)CH₃· + HBr +104
• E) CH₄ + Cl· --\(\rightarrow\)CH₃· + HCl +8

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