HydrocarbonsHard
Question
Which of the following reaction pairs constitutes the chain propagation step in chlorination of methyl chloride ?
Options
A.CH3 + Cl2 → CH3Cl + •Cl
CH3Cl + •Cl → •CH2Cl + HCl
CH3Cl + •Cl → •CH2Cl + HCl
B.CH3Cl + •Cl → CH2Cl2 + •H
•CH2Cl + Cl2 → CH2Cl2 + •Cl
•CH2Cl + Cl2 → CH2Cl2 + •Cl
C.CH3Cl + •Cl → •CH2Cl + HCl
•CH2Cl + Cl2 → CH2Cl2 + •Cl
•CH2Cl + Cl2 → CH2Cl2 + •Cl
D.•CH2Cl + •CH2C→l CH2Cl – CH2Cl
•CH2Cl + •Cl→ CH2Cl2
•CH2Cl + •Cl→ CH2Cl2
Solution
First CH2Cl free radical forms then it reacts with Cl to form CH2Cl2
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