MEDIUM
Chemistry
IMPORTANT
Earn 100

The value of rate constant of a pseudo-first-order reaction

50% studentsanswered this correctly

Important Questions on Chemical Kinetics

HARD
Chemistry
IMPORTANT

In the following reaction, which of the following are not the correct expressions regarding how the rate of appearance of the product is related to the disappearance of the reactant?

BrO3- (aq)+5Br- (aq)+6H+ (aq)3Br2 (l)+3H2O (l)

HARD
Chemistry
IMPORTANT
In acidic medium, the rate of reaction between BrO3-and Br- is given by the expression -dBrO3-dt=kBrO3-Br-H+2. What does it mean?
MEDIUM
Chemistry
IMPORTANT

A+BC

Experiment A B Rate
1 1.0 1.0 0.25
2 2.0 1.0 0.50
3 1.0 2.0 0.25

Rate is expressed in mol L-1min-1

Select the incorrect options regarding the order.

HARD
Chemistry
IMPORTANT

For the chemical reaction,

A+B+CE

The rate of reaction is doubled when the concentration of B is doubled, and when the concentration of both A and B is doubled, the rate becomes doubled and when the concentration of both B and C are doubled the rate becomes quadrupled.

Which of the given statement(s) is/are correct?

MEDIUM
Chemistry
IMPORTANT
The iron (III) nitrate catalyzes the decomposition of the hydrogen peroxide. A good experimental finding that supports this is
MEDIUM
Chemistry
IMPORTANT

For a 1st order reaction:

2N2O5 (g)4NO2 (g)+O2 (g)

HARD
Chemistry
IMPORTANT
Arrhenius equation may be written as
EASY
Chemistry
IMPORTANT
Select incorrect statement (s):