Chemistry

Chemistry

Problem

In the formation of sulphur trioxide by contact process, 2SO2+O2⇌2SO32SO_2 + O_2 \rightleftharpoons 2SO_3 , the rate of reaction was measured as −d[O2]dt=2.5×10−4\frac{-d[O_2]}{dt} = 2.5 \times 10^{-4} mol lit −1^{-1} sec −1^{-1} . the rate of formation of SO3SO_3 will be- (A) −1.25×10−4-1.25 \times 10^{-4} mol L −2^{-2} sec −1^{-1} (B) 50×10−450 \times 10^{-4} mol L −1^{-1} sec −1^{-1} (C) −3.75×10−4-3.75 \times 10^{-4} mol L −1^{-1} sec −1^{-1} (D) 5.00×10−45.00 \times 10^{-4} mol L −1^{-1} sec −1^{-1}

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