The rate constant for the reaction 2HX2OX5⟶4NOX2+OX2 is 30 × 10–5 sec–1. if the rate is 204 × 10–5 mol L–1 S–1, then the concentration of N2O5 (in mol–1) is- - Chemistry

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MCQ

The rate constant for the reaction \[\ce{2H2O5 -> 4NO2 + O2}\] is 30 × 10–5 sec–1. if the rate is 204 × 10–5 mol L1 S1, then the concentration of N2O5 (in mol1) is-

Options

  • 1.4

  • 1.2

  • 0.04

  • 0.8

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Solution

0.8

Explanation:

The unit of rate constant (k) indicator reaction to be of first order

r = K[N2O5]

= `((2.4 xx 10^5  mol  L^-1  S^-1))/((3.0 xx 10^-55))`

= 0.8

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