A possible mechanism for the overall reaction Br2 (g) + 2NO (g) → 2NOBr (g)
Is
NO (g) + Br2 (g) ![A possible mechanism for the overall reaction Br<sub>2</sub> (g) + 2NO (g) → 2NOBr (g) Is NO (g) + Br<sub>2</sub> (g) NOBr<sub>2</sub> (g) (fast) NOBr<sub>2</sub> (g) + NO (g) 2NOBr (slow) The rate law for formation of NOBr based on this mechanism is rate = __________. A) k<sub>1</sub>[NO]1/2 B) k<sub>1</sub>[Br<sub>2</sub>]1/2 C) (k<sub>2</sub>k<sub>1</sub>/k<sup>-1</sup>) [NO]<sup>2</sup>[Br<sub>2</sub>] D) (k<sub>1</sub>/k<sup>-1</sup>) <sup>2</sup>[NO]<sup>2</sup> E) (k<sub>2</sub>k<sub>1</sub>/k<sup>-1</sup>) [NO]<sup>2</sup>[Br<sub>2</sub>]<sup>2</sup>](https://d2lvgg3v3hfg70.cloudfront.net/TB1822/11ea7ce9_fb1b_ab4c_b46a_17c0e2000001_TB1822_11.jpg)
NOBr2 (g) (fast)
NOBr2 (g) + NO (g) ![A possible mechanism for the overall reaction Br<sub>2</sub> (g) + 2NO (g) → 2NOBr (g) Is NO (g) + Br<sub>2</sub> (g) NOBr<sub>2</sub> (g) (fast) NOBr<sub>2</sub> (g) + NO (g) 2NOBr (slow) The rate law for formation of NOBr based on this mechanism is rate = __________. A) k<sub>1</sub>[NO]1/2 B) k<sub>1</sub>[Br<sub>2</sub>]1/2 C) (k<sub>2</sub>k<sub>1</sub>/k<sup>-1</sup>) [NO]<sup>2</sup>[Br<sub>2</sub>] D) (k<sub>1</sub>/k<sup>-1</sup>) <sup>2</sup>[NO]<sup>2</sup> E) (k<sub>2</sub>k<sub>1</sub>/k<sup>-1</sup>) [NO]<sup>2</sup>[Br<sub>2</sub>]<sup>2</sup>](https://d2lvgg3v3hfg70.cloudfront.net/TB1822/11ea7ce9_fb1b_d25d_b46a_a95f75214c0e_TB1822_11.jpg)
2NOBr (slow)
The rate law for formation of NOBr based on this mechanism is rate = __________.
A) k1[NO]1/2
B) k1[Br2]1/2
C) (k2k1/k-1) [NO]2[Br2]
D) (k1/k-1) 2[NO]2
E) (k2k1/k-1) [NO]2[Br2]2
Correct Answer:
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