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For the reaction, A+B \rightleftharpoons 3 C at 25o C, a 3 litre vessel contains 1,2,4 moles of A,B and C respectively. Find the Reaction quotient?

Option: 1

5.66


Option: 2

64


Option: 3

10.66


Option: 4

8.66


Answers (1)

best_answer

Reaction:-

            A+B \rightleftharpoons 3 C
    

\begin{array}{l}{\text { Before reaction, }[A]_{0}=1 / 3} \\ {\: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: [B]_{0}=2 / 3} \\ {\quad \quad \quad\: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: [C]_{0}=4 / 3}\end{array}

\\\text { Thus, } Q=\frac{[C]_{0}^{3}}{[A]_{0}[B]_{0}} \\\\ Q=\frac{4^{3} \times 3 \times 3}{3^{3} \times 1 \times 2} \\\\Q=\frac{64}{6}=10.66

Therefore,option(3) is correct

Posted by

Ritika Harsh

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