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The reaction N(2)O(5) (in C Cl(4) solu...

The reaction
`N_(2)O_(5)` (in `C Cl_(4)` solution) `rarr 2NO_(2)` (solution) `+(1)/(2) O_(2)(g)` is of first order in `N_(2)O_(5)` with rate constant `6.2 xx 10^(-1) s^(-1)`. What is the value of rate of reaction when `[N_(2)O_(5)] = 1.25` mole ?

A

`7.75 xx 10^(-4) "mol L"^(-1) s^(-1)`

B

`6.35 xx 10^(-3) "mol L"^(-1) s^(-1)`

C

`5.15 xx 10^(-5) "mol L"^(-1)s^(-1)`

D

`3.85 xx 10^(-4) "mol L"^(-1)s^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
A
Rate `= k [N_(2)O_(5)]=6.2xx10^(-4)xx1.25`
`=7.75xx10^(-4)mol L^(-1) s^(-1)`
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The reaction N_2O_5 (in C Cl_4 solution) to 2NO_2(1) + 0.5O_2(g) is of first order in N_2O_5 with rate constant 6.2 xx 10^(-1) sec^(-1) . What is the value of rate of reaction when [N_2O_2] = 1.25 mol. L^(-1) ?

The decomposition of N_(2)O_(5) in a carbon tetrachloride solutioin has been investigated. N_(2)O_(5)("solution") to 2NO_(3) (solution) + 1//2O_(2)(g) ltrbgt The reaction has been found to be of the first order in N_(2)O_(5) with a first order rate-constant = 6.2 xx 10^(-4)s^(-1) . Calculate the rate of the reaction when (a) [N_(2)O_(5)] = 1.25 mol L^(-1) and b) [N_(2)O_(5)] = 0.25 mol L^(-1) . c) What concentration of N_(2)O_(5) would give a rate of 2.4 xx 10^(-3) mol L^(-1)s^(-1) ?

The reaction N_(2)O_(5) to 2NO_(2)+I//2O_(2) is of first order in N_(2)O_(5) . Its rate constant is 6.2 xx 10^(-6)s^(-1) . If the beginning N_(2)O_(5) is 15 mol L^(-1) , calculate the rate of reaction in the beginning.

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DINESH PUBLICATION-RATES OF REACTIONS AND CHEMICAL KINETICS-Revision Question
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