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$H_{2(g)} + 2ICl_{(g)} \rightarrow 2HCl_{(g)} + I_{2(g)}$
This reaction is of first order with respect to $H_{2(g)}$ and $ICl_{(g)},$
following mechanisms were proposed.
Mechanism $A\, :$
$H_{2(g)} + 2ICl_{(g)} \rightarrow 2HCl_{(g)} + I_{2(g)}$
Mechanism $B\, :$
$H_{2(g)} + ICl_{(g)} \rightarrow HCl_{(g)} + HI_{(g)}\, ;$ slow
$HI_{(g)} + ICl_{(g)} \rightarrow HCl_{(g)} + I_{2(g)} \,;$ fast
Which of the above mechanism(s) can beconsistent with the given information about the reaction ?
$\underset{(A)}{\mathop{\begin{matrix}
O \\
|| \\
C{{H}_{3}}-C-C{{H}_{3}}, \\
\end{matrix}}}\,\,\,\,\,\underset{(B)}{\mathop{\begin{matrix}
\,\,\,\,\,\,O \\
\,\,\,\,\,\,|| \\
C{{H}_{3}}-C-H, \\
\end{matrix}}}\,\,\,\,\,\underset{(C)}{\mathop{\begin{matrix}
O\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
||\,\,\,\,\,\,\,\,\,\,\, \,\, \\
C{{H}_{3}}-C-C{{H}_{2}}-Cl, \\
\end{matrix}}}\,$ $\,\,\underset{(D)}{\mathop{\begin{matrix}
O \\
|| \\
H-C-H, \\
\end{matrix}}}\,\,\,\,\underset{(E)}{\mathop{\begin{matrix}
\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,O \\
\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|| \\
Cl-C{{H}_{2}}-C-H \\
\end{matrix}}}\,$