Preparation and solution of class 11 chemistry mcqs are considered tough enough. mcqs of class 11 chemistry are not such simple as other's books. Chemistry MCQs need a special and comprehensive explanation for solutions. So, here you are given a concept review of the most important mcqs of class 11 chemistry.
Download or Preview class 11 chemistry mcqs with answers Chapter 7 Thermochemistry. These mcqs are also important for the preparation of the Entrance exam UHS NMDCAT and UET.
Class 11 chemistry mcqs Importance
It is a tough and difficult task to solve class 11 chemistry mcqs. Students
must need full conceptual knowledge of class 11 chemistry mcqs for excellent
marks in Chemistry class 11. All the important MCQs related to Chapter 7 Thermochemistry of class 11 Chemistry are here for you. These questions are taken from past
papers of class 11 chemistry of all Punjab Board of Pakistan as ;
Bahawalpur Board
D.G.Khan Board
Faisalabad Board
Gujranwala Board
Lahore Board
Multan Board
Rawalpindi Board
Post is created and designed with intense care and diligence.
These questions (MCQs) are top repetitive in class 11 chemistry Past Papers. Each
question has a detailed answer explanation. In this way, you learn class 11 chemistry mcqs chapter 7 Thermochemistry.
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content is very helpful for weak students and those who are better at 1st-year chemistry exam preparation. According to Punjab Textbook Board, these questions are based on the current Chemistry Class 11 syllabus.
About This Chapter
Chapter no. 7 Thermochemistry of class 11 chemistry enables the students to learn.
- Introduction to thermochemistry
- Spontaneous reactions
- Non-spontaneous reactions
- system and surroundings
- State and state functions
- Internal energy
- First law of thermodynamics
- Enthalpy of reaction
- Enthalpy of formation
- Enthalpy of atomization
- Enthalpy of neutralization
- Enthalpy of combustion
- Enthalpy of solution
- Measurement of enthalpy of a reaction
- Hess's law of constant heat summation
- Born Haber cycle
This Post "Class 11 chemistry mcqs Chapter 7 Thermochemistry" covers all important MCQs that are top repetitive
in past papers relevant to the above-mentioned topics.
👉For Answers to the following questions click the show answer button.
1. For a given process, the heat changes at constant pressure (qp) and at constant volume (qV) are related to
(A) qp=qv
(B) qp>qv
(C) qp<qv
(D) qp=qv/2
(B) qp>qv
2. Which is not a state function?
(A) Enthalpy
(B) Work
(C) Temperature
(D) Pressure
(B) Work
3. A state function that describes together internal energy and the product of pressure and volume is called:
(A) Enthalpy
(B) Work
(C) Temperature
(D) Internal Energy
(A) Enthalpy
4. 1 calorie is equal to
(A) 4.18 J
(B) 0.41 J
(C) 41.84 J
(D) 418.4 J
(A) 4.18 J
5. If an endothermic reaction is allowed to take place very rapidly in the air, the temperature of the surrounding air
(A) Increases
(B) Decreases
(C) Remain Constant
(D) Varies randomly
(B) Decreases
6. The change in heat energy of a chemical reaction at constant temperature and pressure is called
(A) Bond Energy
(B) Heat of sublimation
(C) Internal energy change
(D) Enthalpy change
(D) Enthalpy change
7. Enthalpy change for the reaction
CH4 + O2 → CO2 + 2H2O is called enthalpy of the:
(A) Formation
(B) Combustion
(C) Neutralization
(D) Atomization
(B) Combustion
8. Total heat content of a system is called
(A) Temperature
(B) Enthalpy
(C) Entropy
(D) Internal Energy
(B) Enthalpy
9. The change in heat energy of a chemical reaction at constant pressure is called
(A) Internal Energy Change
(B) Bond Energy
(C) Enthalpy Change
(D) Entropy
(C) Enthalpy Change
10. The net change in a chemical reaction is the same whether it is brought about in two or more different ways in severe steps is called:
(A) Graham's law
(B) Henry's law
(C) Charles law
(D) Hess's law
(D) Hess's law
11. Reactants have high energy than products
(A) Endothermic reaction
(B) Exothermic reaction
(C) Photochemical reaction
(D) None of these
(A) Endothermic reaction
12. Which of the following enthalpy change is always exothermic?
(A) Enthalpy of atomization
(B) Enthalpy of solution
(C) Enthalpy of formation
(D) Enthalpy of combustion
(D) Enthalpy of combustion
13. ΔH will be given a negative sign in for a given reaction and NaOH + HCl → NaCl + H2O the change in enthalpy is called:
(A) Heat of Neutralization
(B) Heat of Formation
(C) Heat of Atomization
(D) Heat of Combustion
(A) Heat of Neutralization
14. In a bomb calorimeter, the reactions are carried out at a constant:
(A) Pressure
(B) Temperature
(C) Volume
(D) All of above
(C) Volume
15. The pressure of oxygen inside the bomb calorimeter is:
(A) 100 atm
(B) 50 atm
(C) 25 atm
(D) 20 atm
(D) 20 atm
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