Q.

The rate constant k, for the reaction N2O5(g)→2NO2(g)+12O2(g) is 2.3×10−2s−1. Which equation given below describes the change of [N2O5] with time? [N2O5]0 and [N2O5]t correspond to concentration of N2O5 initially and at time, t?

Moderate

Unlock the Full Solution and Master the Concept

Get a detailed solution and exclusive access to our masterclass to ensure you never miss a concept
By Expert Faculty of Sri Chaitanya

a

[N2O5]t=[N2O5]0+kt

b

[N2O5]0=[N2O5]tekt

c

log⁡10[N2O5]t=log⁡10[N2O5]0−kt

d

ln⁡[N2O5]0[N2O5]t=kt

answer is D.

(Detailed Solution Below)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

Rate constant=2.3×10−2sec⁡−1It means it is a first order reaction (because unit of rate constant is sec-1)For first order reaction k=1tln⁡aa−xkt=ln⁡aa−x=ln⁡[N2O5]0[N2O5]t
ctaimg
Choose your Grade and Exam
edit icon

Connect with our

Expert Counsellors

access to India's best teachers with a record of producing top rankers year on year.

+91

We will send a verification code via OTP.

whats app icon