Q.

The reaction N2O5(in CCl4 solution)→2NO2(solution)+12O2(g) is of first order in N2O5 with rate constant 6.2×10−1 s−1. What is the value of rate of reaction when [N2O5]=1.25 mole?

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a

7.75×10−1 mole−1s−1

b

6.35×10−3 mole−1s−1

c

5.15×10−5 mole−1s−1

d

3.85×10−1 mole−1s−1

answer is A.

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Detailed Solution

Rate=K(N2O5)=6.2×10−1×1.25=7.75×10−1 mol−1 s−1
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The reaction N2O5(in CCl4 solution)→2NO2(solution)+12O2(g) is of first order in N2O5 with rate constant 6.2×10−1 s−1. What is the value of rate of reaction when [N2O5]=1.25 mole?