Class 12 Chemistry Important Questions Chapter 6 Chemical Kinetics

Here we have a given Class 12 Chemistry Important Questions for Maharashtra Board HSC Examination 2024. Every students want to score good marks in Class 12 Board Exam,but number of students don't know how to score good marks. Dear students, following given questions had been asked in earlier HSC Board Examinations. From this post, you will know which type of questions had been asked in earlier Board Exams and same questions or same type of questions will be asked in your upcoming examination. If you study all these questions, you will get very good marks in your board examinations, Because so many questions from the following given questions will be asked in your upcoming examination.Therefore go through our Class 12 Chemistry Important Questions which are given in chapter-wise manner and simply try to solve these questions to score very good marks in Chemistry and obviously, you will! Best wishes to all dear students for your upcoming Maharashtra State Board Exam 2024.


यहां हमारे पास महाराष्ट्र बोर्ड HSC परीक्षा 2024 के लिए कक्षा 12वीं के Chemistry के महत्वपूर्ण प्रश्न दिए गए हैं। प्रत्येक छात्र कक्षा 12वीं की बोर्ड परीक्षा में अच्छे अंक प्राप्त करना चाहते हैं, लेकिन कई छात्र यह नहीं जानते कि अच्छे अंक कैसे प्राप्त करें। प्रिय छात्रों, नीचे दिए गए प्रश्न पिछले एचएससी बोर्ड परीक्षाओं में पूछे गए थे। इस पोस्ट से आप जानेंगे कि पिछली बोर्ड परीक्षाओं में किस प्रकार के प्रश्न पूछे गए थे और आपकी आगामी परीक्षा में भी इसी प्रकार के प्रश्न पूछे जाएंगे। यदि आप इन सभी प्रश्नों का अध्ययन करते हैं, तो आप अपनी बोर्ड परीक्षाओं में बहुत अच्छे अंक प्राप्त करेंगे, क्योंकि निम्नलिखित दिए गए प्रश्नों में से बहुत सारे प्रश्न आपकी आगामी परीक्षा में पूछे जाएंगे। इसलिए हमारे कक्षा 12 के Chemistry के महत्वपूर्ण प्रश्नों को देखें जो अध्याय में दिए गए हैं | Chemistry में बहुत अच्छे अंक प्राप्त करने के लिए इन प्रश्नों को बुद्धिमान तरीके से हल करने का प्रयास करें और जाहिर है, आप करेंगे! सभी प्रिय छात्रों को आपकी आगामी महाराष्ट्र राज्य बोर्ड परीक्षा 2024 के लिए शुभकामनाएं।


Class 12 Chemistry Important Questions | Chapter 6 Chemical Kinetics 

• Distinguish between molecularity and order of the reaction. (March 2008, 2009 2011, 2020, Oct. 2008, 2009, 2010)

• What is rate law? Show that the half life of first order chemical reaction is independent of initial concentration of the reactant. (March  2008)

• Define rate of reaction. Derive integrated rate equation for first order reaction.(Oct. 2008, 2010, March 2010, 2011)

• State rate law. Write 'one' example of it. (March 2009)

• What is half life period of a reaction? Show that half-life period does not depend upon the initial concentration for first order reaction. (Oct. 2009) 

• Define 'Rate law'. (March 2010)

• What is Pseudo first order reaction?  Explain with suitable example. (March 2009, March 2010)

• Define 'Molecularity' of chemical reaction. (March 2010)

• What is pseudo first order reaction? Give one example of it. (March 2013)

• Distinguish between order of molecularity of reaction. (Oct. 2013)

• Define activation energy. Calculate activation energy for a reaction for which rate constant becomes four times when temperature changes from 30°C to 50°C. (Given R = 8.314 of JK-1mol-1). (Oct. 2013) 

• Write molecularity of the following reaction: (March 14)
 2NO(g) + O2(g) -------> 2NO2(g)

• The decomposition of N2O5(g) at 320K according to the following equation follows first order reaction:
N2O5(g) -------> 2NO2(g) + 1/2 O2(g)
The initial concentration of N2O5(g) is 1.24 x 10-2 mol.L-1 and after 60 minutes, 0.20 x 10-2 mol. L-1. Calculate the rate constant of the reaction at 320K. (March 2014)


• Derive the relation between half-life period and rate constant for first order reaction. (March 2014, March 2015, March 2017) 

• Sucrose decomposes in acid solution to give glucose and fructose according to the first order rate law. The half life of the reaction is 3 hours. Calculate fraction of sucrose which will remain after 8 hours. (Oct. 2014, March 2015)

• Derive the relation between half life and rate constant for a first order reaction. (March 2015)

• Define zero order reaction. (March 2016)

• Explain graphical method to determine activation energy of a reaction. (March 2016)

• In a first order reaction x -----> y, 40% of the given sample of compound remains unreacted in 45 minutes Calculate rate constant of the reaction. (March 2016)

• Derive the relation between half life and rate constant for a first order reaction. (March 2017)

• In the Arrhenius equation for a first order reaction, the values of 'A' and Ea are 4 x 1013/sec and 98.6 kJ/mol respectively. At what temperature will its half life period be 10 minutes?
(R = 8.314 J/Kmol). (March 2017)

• The reaction A + B -----> products is first order in each of the reactants. 
i. How does the rate of reaction change if the concentration of A is increased by factor 3?
ii. What is the change in the rate of reaction if the  concentration of A is halved and concentration of B is doubled? (March 2018)

• The half life period of first order reaction is 6.0 h. Calculate the rate constant. (March 2019)

• The rate of a first order reaction A ---> B is 5.4 X 10-6 M/s when [A] is 0.3 M. Calculate the rate constant of the reaction. (March 2019)

• In a first order reaction A -----> B, 50% of the given sample of compound decomposes in 40 minutes. Calculate rate constant of the reaction. (March 2019)

•  Derive the integrated rate law equation for zero order reaction. Deduct it to half life of zero order reaction. (March 2019)

• Write Arrhenius equation. Derive an expression for temperature variations. (March 2019)

• Write the mathematical relation between half life of zero order reaction and its rate constant. (March 2020)

• Define instantaneous rate of reaction. Explain pseudo first order reaction with suitable example. (March 2020)


👉 Students are suggested to go through our Class 12 Chemistry Important Questions to score more in your upcoming 2024 Board Examination. 👇👇

Class 12 Chemistry Important Questions Chapter-wise

 Click on the following links to get Class 12 Chemistry Important Questions.👇👇 


Comments

Post a Comment

please do not comment any spam link in the comment box.