Given the following reactions:
A. $\cdot \mathrm { HO } _ { 2 } + \mathrm { H } _ { 2 } \rightarrow \cdot \mathrm { H } + \mathrm { H } _ { 2 } \mathrm { O } _ { 2 }$
B. $\mathrm { HCO } + \cdot \mathrm { H } \rightarrow \mathrm { CH } _ { 2 } \mathrm { O }$
C. $\mathrm { C } _ { 2 } \mathrm { H } _ { 4 } \rightarrow \cdot \mathrm { CH } _ { 3 } \mathrm { CH }$
D. $\mathrm { CH } _ { 4 } + \mathrm { O } _ { 2 } \rightarrow \cdot \mathrm { CH } _ { 3 } + \cdot \mathrm { HO } _ { 2 }$ Which of these are initiation steps?

Question

Given the following reactions: 
A. $\cdot \mathrm { HO } _ { 2 } + \mathrm { H } _ { 2 } \rightarrow \cdot \mathrm { H } + \mathrm { H } _ { 2 } \mathrm { O } _ { 2 }$
B. $\mathrm { HCO } + \cdot \mathrm { H } \rightarrow \mathrm { CH } _ { 2 } \mathrm { O }$
C. $\mathrm { C } _ { 2 } \mathrm { H } _ { 4 } \rightarrow \cdot \mathrm { CH } _ { 3 } \mathrm { CH }$
D. $\mathrm { CH } _ { 4 } + \mathrm { O } _ { 2 } \rightarrow \cdot \mathrm { CH } _ { 3 } + \cdot \mathrm { HO } _ { 2 }$ Which of these are initiation steps?

Quizplus · Accepted Answer

Initiation steps involve the formation of radicals without consuming any. Reaction C generates a radical, while the others either consume or do not generate radicals.

Given the Following Reactions: A ⋅HO2+H2→⋅H+H2O2\cdot \mathrm { HO } _ { 2 } + \mathrm { H } _ { 2 } \rightarrow \cdot \mathrm { H } + \mathrm { H } _ { 2 } \mathrm { O } _ { 2 }⋅HO2​+H2​→⋅H+H2​O2​

Given the Following Reactions:
A $\cdot \mathrm { HO } _ { 2 } + \mathrm { H } _ { 2 } \rightarrow \cdot \mathrm { H } + \mathrm { H } _ { 2 } \mathrm { O } _ { 2 }$