Multiple Choice
Two isomers (A and B) of a given compound dimerize as follows: ![Two isomers (A and B) of a given compound dimerize as follows: Both processes are known to be second order in reactant, and k<sub>1</sub> is known to be 0.25 L/mol • s at 25° C, where Rate In a particular experiment, A and B were placed in separate containers at 25° C, where [A]<sub>0</sub> = 1.0 × 10<sup>-2</sup> M and [B]<sub>0</sub> = 2.5 × 10<sup>-2</sup> M. It was found that [A] = 3[B] after the reactions progressed for 3.0 min.Calculate the half-life for the reaction involving A. A) 4.0 × 10<sup>2</sup> s B) 1.8 × 10<sup>2</sup> s C) 2.5 × 10<sup>3</sup> D) 1.7 × 10<sup>1</sup> s E) none of these](https://d2lvgg3v3hfg70.cloudfront.net/TB6422/11eaaf91_9dea_a277_892c_5da26164625f_TB6422_11.jpg)
![Two isomers (A and B) of a given compound dimerize as follows: Both processes are known to be second order in reactant, and k<sub>1</sub> is known to be 0.25 L/mol • s at 25° C, where Rate In a particular experiment, A and B were placed in separate containers at 25° C, where [A]<sub>0</sub> = 1.0 × 10<sup>-2</sup> M and [B]<sub>0</sub> = 2.5 × 10<sup>-2</sup> M. It was found that [A] = 3[B] after the reactions progressed for 3.0 min.Calculate the half-life for the reaction involving A. A) 4.0 × 10<sup>2</sup> s B) 1.8 × 10<sup>2</sup> s C) 2.5 × 10<sup>3</sup> D) 1.7 × 10<sup>1</sup> s E) none of these](https://d2lvgg3v3hfg70.cloudfront.net/TB6422/11eaaf91_9dea_c988_892c_b72e80f49c66_TB6422_11.jpg)
Both processes are known to be second order in reactant, and k1 is known to be 0.25 L/mol • s at 25° C, where
Rate ![Two isomers (A and B) of a given compound dimerize as follows: Both processes are known to be second order in reactant, and k<sub>1</sub> is known to be 0.25 L/mol • s at 25° C, where Rate In a particular experiment, A and B were placed in separate containers at 25° C, where [A]<sub>0</sub> = 1.0 × 10<sup>-2</sup> M and [B]<sub>0</sub> = 2.5 × 10<sup>-2</sup> M. It was found that [A] = 3[B] after the reactions progressed for 3.0 min.Calculate the half-life for the reaction involving A. A) 4.0 × 10<sup>2</sup> s B) 1.8 × 10<sup>2</sup> s C) 2.5 × 10<sup>3</sup> D) 1.7 × 10<sup>1</sup> s E) none of these](https://d2lvgg3v3hfg70.cloudfront.net/TB6422/11eaaf91_9dea_c989_892c_1bf3707bca83_TB6422_11.jpg)
In a particular experiment, A and B were placed in separate containers at 25° C, where [A]0 = 1.0 × 10-2 M and [B]0 = 2.5 × 10-2 M. It was found that [A] = 3[B] after the reactions progressed for 3.0 min.Calculate the half-life for the reaction involving A.
A) 4.0 × 102 s
B) 1.8 × 102 s
C) 2.5 × 103
D) 1.7 × 101 s
E) none of these
Correct Answer:
Verified
Correct Answer:
Verified
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