CBSE Class 12 Chemistry Chemical Kinetics (1)

Scroll down for PDF

CBSE Class 12 Chemistry Chemical Kinetics (1). CBSE issues sample papers every year for students for class 12 board exams. Students should solve the CBSE issued sample papers to understand the pattern of the question paper which will come in class 12 board exams this year. The sample papers have been provided with marking scheme. It’s always recommended to practice as many CBSE sample papers as possible before the board examinations. Sample papers should be always practiced in examination condition at home or school and the student should show the answers to teachers for checking or compare with the answers provided. Students can download the sample papers in pdf format free and score better marks in examinations. Refer to other links too for latest sample papers.

Chapter:4 (Chemical Kinetics)

State whether given statement is true or false.

1. The unit of K for first order reaction is molL-1s-1. ( )

2. The radioactive decay follows zero order kinetics. ( )

3. For r =k[A]2[B],the order of reaction is 3 ( )

4. For second order reaction unit of k is mol-2L2s-1. ( )

5. For a reaction order and molecularity are always same. ( )

6. Order of reaction is always a whole number whereas molecularity can be fractional. ( )


1.The order of reaction for,r=k[A]2[B] is

(a). 1 b) 0 (c)2 (d) 3

2.A reaction 50% complete in 2 hours and 75% in 4 hours, the order of reaction will be

(a).0 b) 1 (c)2 (d) 3

3.For a reaction A+B → C,the rate law is given by r=k[A]1/2[B]2 the order of reaction is:

(a).0 b) 5/2 (c)2 (d) 3/2

4. What is the unit of K if rate ==K{A}2{B}

(a) s-1 (b) mol L-1 (c) mol-2L2s-1 (d) mol-1Ls-1

5.What is the molecularity of reaction for the following elementary reaction:


(a) 1 (b) 2 (c) 3 (d) 0

6.What is the order for following photochemical reaction:


Please click the link below to download full pdf file for CBSE Class 12 Chemistry Chemical Kinetics (1).


Click on the text For more study material for Chemistry please click here - Chemistry

Latest NCERT & CBSE News

Read the latest news and announcements from NCERT and CBSE below. Important updates relating to your studies which will help you to keep yourself updated with latest happenings in school level education. Keep yourself updated with all latest news and also read articles from teachers which will help you to improve your studies, increase motivation level and promote faster learning

CBSE Board Secretary says Class 10 and 12 CBSE Exam Pattern to be modified

The Central Board of Secondary Education is expected to introduce a few changes to the exam pattern for class 10 and board exams by 2023. Anurag Tripathi, secretary of CBSE speaking at an Assoham School Education Summit said that although this year class 10 students...

Registration of NEET 2020 starts

The NEET 2020 registration process would start on Monday, December 2nd, 2019. National Testing Agency, NTA would carry out the county’s undergraduate entrance exam for medical and dental admissions.  The examination is scheduled to take place in English, Hindi, and...

CBSE Circular Aryabhatta Ganit Challenge

For students with a keen interest in mathematics are now provided with a better opportunity to explore their knowledge. CBSE has announced to conduct an exam for the purpose of generating interest in maths among students. It is a trial to clarify the myth that...

TIPS: Study habits for success

Being a student is fairly a difficult job. Alongside maintaining your curricular as well as extra-curricular activities adds more to it. Performance in academics is one of the major concerns. Every parent now tries to get their children more indulged in studies. Need...

JEE Entrance Exam 2020 Dates Registration Admit Cards Exam Pattern

JEE Entrance exam is conducted for students who wish to pursue engineering in different subjects or categories like mechanical, CS, etc.. It is officially organized and conducted by NTA. Formerly it was organized by CBSE. It avails seats for students in IITs, NITs, and...

How to crack a competitive examination

“How I crack a competitive examination” is a frequently asked question by today’s students. Cracking a competitive exam is a challenging task. Attaining a huge amount of study and solving several complex problems in a limited amount of time is a huge task. Competitive...

Studies Today