Consider a gas phase reaction which occurs in a closed vessel 2 ~A 4 ~B + C The concentration of B is found to be increased by 5 10⁻³ ~mol ~L ⁻¹ in 10 seconds. The rate of disappearance of A (in mol L ⁻¹ ~s ⁻¹ ) is

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Correct answer: D. 2.5 10⁻⁴

aligned & 1 2 d [ A ] dt = 1 4 d [ B ] dt d [ A ] dt = 1 2 d [ B ] dt & = 1 2 B t & = 1 2 5 10⁻³ 10 & =2.5 10⁻⁴ Ms ⁻¹ . aligned

Consider a gas phase reaction which occurs in a closed vessel 2 ~A 4 ~B + C The concentration of B is found to be increased by 5 10⁻³ ~mol ~L ⁻¹ in 10 seconds. The rate of disappearance of A (in mol L ⁻¹ ~s ⁻¹ ) is

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