Question

Which of the following reaction has zero activation energy?

• A. $CH _{4}+\overset{\bullet}{ Cl } \longrightarrow \overset{\bullet}{ C } H _{3}+ HCl$
• B. $Cl _{2} \longrightarrow 2 \overset{\bullet}{ Cl }$
• C. $\overset{\bullet}{ C } H _{3}+\overset{\bullet}{ C } H _{3} \longrightarrow CH _{3}- CH _{3}$
• D. $\overset{\bullet}{ C } H _{3}+ Cl - Cl \longrightarrow CH _{3}- Cl +\overset{\bullet}{ Cl }$

Answer 1

Answer: (C)

Correct answer is (c) $\overset{\bullet}{ C } H _{3}+\overset{\bullet}{ C } H _{3} \longrightarrow CH _{3}- CH _{3}$