A) \[mol\,{{L}^{-1}}{{s}^{-1}}\]
B) \[mo{{l}^{-2}}\,{{L}^{2}}{{T}^{-1}}\]
C) \[mo{{l}^{-1}}\,L\,{{s}^{-1}}\]
D) \[mo{{l}^{-2}}\,{{L}^{-1}}\,{{s}^{-1}}\]
Correct Answer: B
Solution :
Key Idea: For the reaction of nth order \[k=\frac{1}{time}\frac{1}{{{[cone.]}^{(n-1)}}}\] For 3rd order reaction \[n=3\] \[\therefore \] units of \[k=\frac{1}{time}\times \frac{1}{{{(conc.)}^{3-1}}}\] \[=\frac{1}{time}\times \frac{1}{{{(mol\,\,{{L}^{-1}})}^{2}}}\] \[=mo{{l}^{-2}}{{L}^{2}}{{T}^{-1}}\]
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