In the chain propagation steps in the free-radical chlorination of methane. which of the…
Chemistry · JEE Main · NTA Exams — Hydrocarbons
In the chain propagation steps in the free-radical chlorination of methane. which of the following is not possible step:
(1) \(\mathrm{Cl}_{2} \rightarrow 2 \mathrm{Cl}^{\bullet}\)
(2) \(\mathrm{Cl}^{\bullet}+\mathrm{CH}_{4} \longrightarrow \mathrm{CH}_{3} \mathrm{Cl}+\mathrm{H}^{\bullet}\)
(3) \(\mathrm{Cl}^{*}+\mathrm{CH}_{4} \longrightarrow \mathrm{CH}_{3}^{*}+\mathrm{HCl}\)
(4) \(\mathrm{H}^{\bullet}+\mathrm{Cl}_{2} \longrightarrow \mathrm{HCl}+\mathrm{Cl}^{\bullet}\)
(5) \(\mathrm{CH}_{3}^{\bullet}+\mathrm{Cl}_{2} \longrightarrow \mathrm{CH}_{3} \mathrm{Cl}+\mathrm{Cl}^{\bullet}\)
(1) \(\mathrm{Cl}_{2} \rightarrow 2 \mathrm{Cl}^{\bullet}\)
(2) \(\mathrm{Cl}^{\bullet}+\mathrm{CH}_{4} \longrightarrow \mathrm{CH}_{3} \mathrm{Cl}+\mathrm{H}^{\bullet}\)
(3) \(\mathrm{Cl}^{*}+\mathrm{CH}_{4} \longrightarrow \mathrm{CH}_{3}^{*}+\mathrm{HCl}\)
(4) \(\mathrm{H}^{\bullet}+\mathrm{Cl}_{2} \longrightarrow \mathrm{HCl}+\mathrm{Cl}^{\bullet}\)
(5) \(\mathrm{CH}_{3}^{\bullet}+\mathrm{Cl}_{2} \longrightarrow \mathrm{CH}_{3} \mathrm{Cl}+\mathrm{Cl}^{\bullet}\)
- 2, 3, 5
- 1, 3, 6
- 2, 4
- 2, 3, 4
Answer
(C) 2, 4
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