# Chemical Kinetics NEET Questions (Integrated Rate Equations)

Chemical Kinetics-based on the concept of differential and integral rate equations is one of the most crucial and important topics in Chemistry. This post Chemical Kinetics NEET Questions (Integrated Rate Equations) is a compilation of various questions based on NEET and AIIMS pattern with revision notes and detailed solutions.

## Chemical Kinetics NEET Questions (Integrated Rate Equations)

#### 1. What is the integrated rate equation for a first order reaction?

a) [A] = [A]0e-kt

b) [A] = [A]0/e-kt

c) [A] = [A]0e-t

d) [A] = [A]0e-k

Answer: [A] = [A]0e-kt

#### 2. For a certain reaction the values of Arrhenius factor and Activation energy are 4 x 1013 collision/sec and 98.6KJ/mol at 303K. Calculate the rate constant if reaction is 1st order?( R=8.341mol-1K-1)

a) 6.07 x 10-3

b) 3.02 x 10-5

c) 4.07 x 10-4

d) 7.42 x 10-3

Answer: 4.07 x 10-4

#### 3. The decomposition of N2O5 in CCl4 solution was studied. N2O5 → 2NO2 + 1/2O2. The rate constant of the reaction is 6.2 x 10-4 sec-1. Calculate the rate when the concentration of N2O5 is 1.25 molar.

a) 6.45 x 10-4

b) 7.45 x 10-4

c) 6.75 x 10-4

d) 7.75 x 10-4

Answer: 7.75 x 10-4

#### 4. What is the formula to calculate the time taken for the completion of a zero-order reaction?

a) t100% = [A]0/k

b) t100% = [A]0/2k

c) t100% = 2[A]0/k

d) t100% = [A]0/3k

Answer: t100% = [A]0/k

a) True

b) False

a) True

b) False

a) 0

b) 1

c) 2

d) 3

a) 0.07 min-1

b) 0.06 min-1

c) 0.08 min-1

d) 0.09 min-1

a) 60.28 minutes

b) 69.28 minutes

c) 50.37 minutes

d) 65.97 minutes

a) 90.02 percent

b) 82.44 percent

c) 88.82 percent

d) 82.67 percent

a) 3 × t50

b) 4 × t50

c) 4.5 × t50

d) 2 × t50

Answer: 2 × t50

a) 30 minutes

b) 60 minutes

c) 90 minutes

d) 120 minutes

a) 108.3s-1

b) 207.9s-1

c) 248.2s-1

d) 164.8s-1

a) 38.4s

b) 40.2s

c) 39.3s

d) 36.8s