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Chemical Kinetics question

2023 · Q22
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Chemical Kinetics question

2023 · Q22

IIT JAMChemistryChemical KineticsMCQ+2 / −0.67
For the given elementary reactions, the steady-state concentration of X is 2P→k1X⇌k2k4Q+R↓S\begin{gathered}2P \xrightarrow{k_1} X \underset{k_4}{\overset{k_2}{\rightleftharpoons}} Q + R \\ \downarrow \\ S\end{gathered}2Pk1​​Xk4​⇌k2​​​Q+R↓S​
  1. A
    k1[P]2+k3[Q][R]k2+k4\frac{k_1[P]^2 + k_3[Q][R]}{k_2 + k_4}k2​+k4​k1​[P]2+k3​[Q][R]​
  2. B
    12k1[P]2+k3[Q][R]k2+k4\frac{\frac{1}{2}k_1[P]^2 + k_3[Q][R]}{k_2 + k_4}k2​+k4​21​k1​[P]2+k3​[Q][R]​
  3. C
    k1[P]2+k3[Q][R]−k1+k2−k3+k4\frac{k_1[P]^2 + k_3[Q][R]}{-k_1 + k_2 - k_3 + k_4}−k1​+k2​−k3​+k4​k1​[P]2+k3​[Q][R]​
  4. D
    k1[P]+k3[Q][R]k2+k4\frac{k_1[P] + k_3[Q][R]}{k_2 + k_4}k2​+k4​k1​[P]+k3​[Q][R]​
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Correct answer: A

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