A) \[3\times {{10}^{-6}}\,\,M{{s}^{-1}}\]
B) \[3\times {{10}^{-8}}\,\,M{{s}^{-1}}\]
C) \[3\times {{10}^{-5}}\,\,M{{s}^{-1}}\]
D) \[3\times {{10}^{-7}}\,\,M{{s}^{-1}}\]
Correct Answer: D
Solution :
Here: Rate constant of the first order reaction\[(k)=3\times {{10}^{-6}}\]per second and initial concentration\[(A)=0.10\,\,M\]. We know that initial rate of reaction\[=k[A]=3\times {{10}^{-6}}[0.10]\]\[=3\times {{10}^{-7}}\,\,M{{s}^{-1}}\]
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