A) \[3\times {{10}^{-6}}M{{s}^{-1}}\]
B) \[3\times {{10}^{-5}}M{{s}^{-1}}\]
C) \[3\times {{10}^{-8}}M{{s}^{-1}}\]
D) \[3\times {{10}^{-7}}M{{s}^{-1}}.\]
Correct Answer: D
Solution :
For first order reaction, rate = rate constant \[\times \] concentration of reactant Initial rate = rate constant \[\times \] Initial concentration \[=3\times {{10}^{-6}}\times 0.10=3\times {{10}^{-7}}M{{s}^{-1}}\]
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