Seema Saini Solutions for Chapter: Chemical Kinetics, Exercise 4: DPP 4.4

Author:Seema Saini

Seema Saini Chemistry Solutions for Exercise - Seema Saini Solutions for Chapter: Chemical Kinetics, Exercise 4: DPP 4.4

Attempt the free practice questions on Chapter 4: Chemical Kinetics, Exercise 4: DPP 4.4 with hints and solutions to strengthen your understanding. Chapterwise/Topicwise Daily Practice Problems (DPP) Physical Chemistry Part - 2 JEE Main & Advanced solutions are prepared by Experienced Embibe Experts.

Questions from Seema Saini Solutions for Chapter: Chemical Kinetics, Exercise 4: DPP 4.4 with Hints & Solutions

MEDIUM
JEE Main
IMPORTANT

For the non-stoichiometric reaction, 2A+BC+D, the following kinetic data were obtained in three separate experiments, all at 298 K.

Initial
concentration of A
Initial
concentration of B
Initial rate of formation of C
0.1 M 0.1 M 1.2×10-3 M s-1
0.1 M 0.2 M 1.2×10-3 M s-1
0.2 M 0.1 M 2.4×10-3 M s-1

The rate law for the formation of C is

MEDIUM
JEE Main
IMPORTANT

The data for the reaction; A+BkC are,

Experiment [A]0 M [B]0 M Initial rate M s-1
1 0.012 0.035 0.10
2 0.024 0.070 0.80
3 0.024 0.035 0.10
4 0.012 0.070 0.80

The rate law corresponding to the above data is

HARD
JEE Main
IMPORTANT

For a hypothetical reaction A+BC, suggest the order from the following data.

Experiment [A] (mol L-1) [B] (mol L-1) Rate of reaction (mol L-1s-1)
I 0.25 0.25 3.0×10-3
II 0.50 0.25 6.0×10-3
III 0.50 0.50 1.20×10-2

HARD
JEE Main
IMPORTANT

In a certain gaseous reaction between A and B, A+3 BAB3. The initial rates are reported as follows:

[A] [B] Initial rate

0.1 M

0.2 M

0.3 M

0.4 M

0.1 M

0.1 M

0.2 M

0.3 M

0.002 Ms-1

0.002 Ms-1

0.008 Ms-1

 0.018 Ms-1

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

MEDIUM
JEE Main
IMPORTANT

Select the incorrect statements regarding the law that corresponds to data shown for the following reaction
A+BProducts.

Experiment A B Rate
1 0.012 0.035 0.1
2 0.024 0.070 0.8
3 0.024 0.035 0.1
4 0.012 0.070 0.8

MEDIUM
JEE Main
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
JEE Main
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?

HARD
JEE Main
IMPORTANT

The bromination of acetone that occurs in acid solution is represented by

CH3COCH3 (aq)+Br2 (aq)H+CH3COCH2Br2 (aq)+HBr (aq)

Given,

Experiment Initial concentrations, M

Initial rate of disappearance of

 Br2, M s-1

  Br2 CH3COCH3 H+  
1 0.050 0.30 0.050 6×10-5
2 0.10 0.30 0.050 6×10-5
3 0.10 0.30 0.10 1.2×10-4
4 0.20 0.60 0.10 2.4×10-4

Based on the above data, the ones which do not represent rate law are