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InterviewSolution
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For the reaction 3A+2B → R, which of the following expressions is valid?(a) \(\frac{-r_A}{3}\)=\(\frac{-r_B}{2}\)=\(\frac{r_C}{1}\)(b) \(\frac{-r_A}{3}\)=\(\frac{-r_B}{2}\)=\(\frac{r_C}{1}\)(c) \(\frac{-r_A}{1}\)=\(\frac{-r_B}{1}\)=\(\frac{r_R}{1}\)(d) \(\frac{-r_A}{3}\)=\(\frac{-r_B}{4}\)=\(\frac{r_C}{1}\)This question was posed to me in examination.The above asked question is from Reaction Rates in portion Basic Concepts of Chemical Reaction Engineering |
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Answer» RIGHT choice is (c) \(\frac{-r_A}{1}\)=\(\frac{-r_B}{1}\)=\(\frac{r_R}{1}\) Easy explanation: For the REACTION AA + BB → rR, \(\frac{-r_A}{a}\)=\(\frac{-r_B}{b}\)=\(\frac{r_R}{c}\). In the reaction 3A+2B → R, a=3, b=2 and r=1. |
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