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Chemistry
Chemistry
Problem
For the reaction whose overall equation is
2
N
O
2
(
g
)
+
F
2
(
g
)
→
2
N
O
2
F
(
g
)
2\,\mathrm{NO_2(g)} + \mathrm{F_2(g)} \rightarrow 2\,\mathrm{NO_2F(g)}
2
N
O
2
(
g
)
+
F
2
(
g
)
→
2
N
O
2
F
(
g
)
, a chemist proposes the following elementary steps: 1.
N
O
2
+
F
2
→
N
O
2
F
+
F
\mathrm{NO_2} + \mathrm{F_2} \rightarrow \mathrm{NO_2F} + \mathrm{F}
N
O
2
+
F
2
→
N
O
2
F
+
F
(fast) 2.
F
+
N
O
2
→
N
O
2
F
\mathrm{F} + \mathrm{NO_2} \rightarrow \mathrm{NO_2F}
F
+
N
O
2
→
N
O
2
F
(slow) Which species is a reaction intermediate? a)
N
O
2
\mathrm{NO_2}
N
O
2
b)
N
O
2
F
\mathrm{NO_2F}
N
O
2
F
c)
F
\mathrm{F}
F
d)
F
2
\mathrm{F_2}
F
2
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