MCQ Quiz on Class 11 Chemistry Chapter 6 Thermodynamics with Answers

We have compiled the MCQ Questions for Class 11 Chemistry Chapter 6 Thermodynamics with Answers Pdf free download covering the entire syllabus for JEE/NEET and Boards. Practice MCQ Questions for Class 11 Chemistry with Answers on a daily basis and score well in exams. Refer to the Thermodynamics Class 11 MCQs Quiz Questions with Answers here along with a detailed explanation.

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Thermodynamics Class 11 MCQs Questions with Answers

MCQ Questions for Class 11 Chemistry Chapter 6 Thermodynamics with Answers

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1. Which of the following salts will have maximum cooling effect when 0.5 mole of the salt is dissolved in same amount of water. Integral heat of solution at 298 K is given for each salt?

 
 
 
 

2. A system absorb 10 kJ of heat at constant volume and its temperature rises from 270°C to 370°C. The value of ∆ U is

 
 
 
 

3. Standard enthalpy of vapourisation ΔHvap for water at 100oC is 40.66 kJmol-1. The internal energy of vapourisation of water at 100°C (in kJmol-1) is (Assume water vapour to behave like an ideal gas)

 
 
 
 

4. The third law of thermodynamics provides a method to evaluate which property?

 
 
 
 

5. In which of the following process, a maximum increase in entropy is observed?

 
 
 
 

6. Which of the following reactions is endothermic?

 
 
 
 

7. The temperature of the system decreases in an ______.

 
 
 
 

8. Based on the first law of thermodynamics, which one of the following is correct?

 
 
 
 

9. In a system where ∆E = -51.0 kJ, a piston expanded against a pext of 1.2 atm giving a change in volume of 32.0 L. What was the change in heat of this system?

 
 
 
 

10. For the reaction C3H8(g) + 5O2(g) → 3CO2(g) + 4H2O(I) at constant temperature ∆H – ∆E is

 
 
 
 

11. Which of the following is true for the reaction? H2O (l) ↔ H2O (g) at 100° C and 1 atm pressure

 
 
 
 

12. The pressure-volume work for an ideal gas can be calculated by using the expression w= ʃPexdv. The work can also be calculated from the pV– a plot by using the area under the curve within the specified limits. When an ideal gas is compressed (a) reversibly or (b) irreversibly from volume Vi to Vf. choose the correct option.

 
 
 
 

13. The heat required to raise the temperature of a body by 1 K is called

 
 
 
 

14. The enthalpies of combustion of carbon and carbon monoxide are -393.5 and -283.0 kJ mol-1 respectively. The enthalpy of formation of carbon monoxide is:

 
 
 
 

15. The amount of the heat released when 20 ml 0.5 M NaOH is mixed with 100 ml 0.1 M HCl is x kJ. The heat of neutralization is

 
 
 
 

16. Which one of the following statement is false?

 
 
 
 

17. Calculate the heat required to make 6.4 Kg CaC2 from CaO(s) and C(s) from the reaction: CaO(s) + 3 C(s) → CaC2(s) + CO (g) given that ∆f Ho (CaC2) = -14.2 kcal. ∆f H° (CO) = -26.4 kcal.

 
 
 
 

18.  Thermodynamics is not concerned about______.

 
 
 
 

19. One gram of sample of NH4NO3 is decomposed in a bomb calorimeter. The temperature of the calorimeter increases by 6.12 K. The heat capacity of the system is 1.23 kj/deg. What is the molar heat of decomposition of NH4NO3?

 
 
 
 

20. One mole of a hon-ideal gas undergoes a change of state (2.0 atm, 3.0 L, 95 K) → (4.0 atm, 5.0 L, 245 K) with a change in internal energy, ∆U = 30.0 L atm. The change in enthalpy (∆H) of the process in L atm is

 
 
 
 

Hope the information shed above regarding MCQ Thermodynamics with Answers Pdf free download has been useful to an extent. If you have any other queries of CBSE Class 11 Chemistry Thermodynamics MCQs Multiple Choice Questions with Answers, feel free to comment below so that we can revert back to us at the earliest possible.

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This Post Has 3 Comments

  1. Mounika

    Very good

  2. Mounika

    Very alternative questions

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