Thermodynamics MCQ Questions for Class 11 Chemistry Chapter 6 with Answers

We have completed the NCERT/CBSE chapter-wise Multiple Choice Questions for Class 11 Chemistry book Chapter 6 Thermodynamics with Answers by expert subject teacher for latest syllabus and examination. You can Prepare effectively for the exam taking the help of the Class 11 Chemistry Objective Questions PDF free of cost from here. Students can take a free test of the Multiple Choice Questions of Thermodynamics. Each Questions has four options followed by the right answer. Download the Chemistry Quiz Questions with Answers for Class 11 free Pdf and prepare to exam and help students understand the concept very well.

MCQ Questions for Class 11 Chemistry with Answers

Q1. Which of the following has the highest entropy?

(i) Mercury
(ii) Hydrogen
(iii) Water
(iv) Graphite

(ii) Hydrogen

Q2. Which one of the following statement is false?

(i) Work is a state function
(ii) Temperature is a state function
(iii) Change in the state is completely defined when the initial final states are specified
(iv) Work appears at the boundary of the system

(i) Work is a state function

Q3. One mole of which of the following has the highest entropy?

(i) Liquid Nitrogen
(ii) Hydrogen Gas
(iii) Mercury
(iv) Diamond

(ii) Hydrogen Gas

Q4. The universe refers to

(i) both system and surroundings
(ii) None of these
(iii) only surroundings
(iv) only system

(i) both system and surroundings

Q5. Third law of thermodynamics provides a method to evaluate which property?

(i) Absolute Energy
(ii) Absolute Enthalpy
(iii) Absolute Entropy
(iv) Absolute Free Energy

(iii) Absolute Entropy

Q6. The heat required to raise the temperature of a body by 1 K is called

(i) Specific heat
(ii) Thermal capacity
(iii) Water equivalent
(iv) Molar heat capacity

(ii) Thermal capacity

Q7. In a reversible process the system absorbs 600 kJ heat and performs 250 kJ work on the surroundings. What is the increase in the internal energy of the system?

(i) 850 kJ
(ii) 600 kJ
(iii) 350 kJ
(iv) 250 kJ

(iii) 350 kJ

Q8. Which of the following is closed system ?

(i) Pressure cooker
(ii) Rocket engine during propulsion
(iii) Tea placed in a steel kettle
(iv) Jet engine

(i) Pressure cooker

Q9. In a chemical reaction the bond energy of reactants is more than the bond energy of the products. Therefore, the reaction is

(i) Exothermic
(ii) Athermic
(iii) Endothermic
(iv) Endergonic

(iii) Endothermic

Q10. Internal energy does not include

(i) Nuclear energy
(ii) Vibrational energy
(iii) Rotational energy
(iv) Energy of gravitational pull

(iv) Energy of gravitational pull

Q11. 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

(i) 100 kJ
(ii) 10 kJ
(iii) 0 kJ
(iv) 1 kJ

(ii) 10 kJ

Q12. The system that would not allow exchange of heat between the system and surroundings through its boundary is considered as

(i) adiabatic
(ii) isochoric
(iii) isobaric
(iv) isothermal

(i) adiabatic

Q13. Identify the correct statement from the following in a chemical reaction.

(i) The entropy always increases
(ii) The change in entropy along with suitable change in enthalpy decides the fate of a reaction
(iii) The enthalpy always decreases
(iv) Both the enthalpy and the entropy remain constant

(ii) The change in entropy along with suitable change in enthalpy decides the fate of a reaction

Q14. An adiabatic’expansion of an ideal gas always has

(i) Decrease in temperature
(ii) q = 0
(iii) W = 0
(iv) ∆H = 0.

(ii) q = 0

Q15. In which of the following process, a maximum increase in entropy is observed?

(i) Dissolution of Salt in Water
(ii) Condensation of Water
(iii) Sublimation of Naphthalene
(iv) Melting of Ice

(iii) Sublimation of Naphthalene

Q16. During isothermal expansion of an ideal gas, its

(i) enthalpy remains unaffected
(ii) enthalpy reduces to zero.
(iii) enthalpy decreases
(iv) internal energy increases

(i) enthalpy remains unaffected

Q17. Entropy of the universe is

(i) Continuously Increasing
(ii) Continuously Decreasing
(iii) Zero
(iv) Constant

(i) Continuously Increasing

Q18. C(diamond) → C(graphite) ∆H = -ve. This shows that

(i) Graphite is more stable than diamond
(ii) Diamond is more stable than graphite
(iii) Both are equally stable
(iv) Stability cannot be predicted.

(i) Graphite is more stable than diamond

Q19. 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

(i) -100 × kJ/mol
(ii) -50 × kJ/mol
(iii) 100 × KJ/mol
(iv) 50 × kJ/mol

(i) -100 × kJ/mol

Q20. Which is an extensive property of the system ?

(i) Volume
(ii) Viscosity
(iii) Temperature
(iv) Refractive index

(i) Volume

Q21. The bond energy (in kcal mol-1) of a C-C single bond is approximately

(i) 1
(ii) 10
(iii) 83-85
(iv) 1000

(iii) 83-85

Q22. Which of the following does not result in an increase in entropy?

(i) Crystallisation of surcose from solution
(ii) Rusting of iron
(iii) Conversion of ice to water
(iv) Vaporisation of camphor

(i) Crystallisation of surcose from solution

Q23. The quantity of heat measured for a reaction in a bomb calorimeter is equal to

(i) ∆G
(ii) ∆H
(iii) P∆V
(iv) ∆E

(iv) ∆E

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MCQ Questions for Class 11 Chemistry Chapter wise with Answers

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