Jump to a section

Chemistry - Thermodynamics (C)

Practise 27 KVPY previous year questions on Thermodynamics (C), compiled from papers spanning 2010 to 2020. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty KVPY tests.

  1. 1A thermodynamic cycle in the pressure P -volume V plane is given below: AB and CD are isothermal processes while BC and DA are adiabatic pro2020 (SA)
  2. 2The specific heat of a certain substance is 0 . 86 J g - 1 K - 1 . Assuming ideal solution behavior, the energy required (in J ) to heat 10 2020 (SA)
  3. 3Products are favoured in a chemical reaction taking place at a constant temperature and pressure. Consider the following statements: (i) The2020 (SB/SX)
  4. 4A container is divided into two compartments by a removable partition as shown below: In the first compartment, n 1 moles of ideal gas He is2020 (SB/SX)
  5. 5During the free expansion of an ideal gas in an isolated chamber,2019 (SA)
  6. 6For a spontaneous process,2019 (SA)
  7. 7Given that, the molar combustion enthalpy of benzene, cyclohexane and hydrogen are x , y and z , respectively, the molar enthalpy of hydroge2019 (SB/SX)
  8. 8The quantity of heat (in J ) required to raise the temperature of 1 . 0 k g of ethanol from 293 . 45 K to the boiling point and then change 2018 (SA)
  9. 9Nitroglycerine MW = 227 . 1 detonates according to the following equations, 2 C 3 H 5 NO 3 3 l 3 N 2 g + 1 2 O 2 g + 6 CO 2 g + 5 H 2 O g Th2018 (SB/SX)
  10. 10of ice at is added to of water at . The final tempeature of the resultant mixture is . The value of (in g) is closest to [Heat of fusion of 19 Nov, 2017 (SA)
  11. 11The maximum work (in ) that can be derived from complete combustion of of at and is [Standard enthalpy of combustion of standard molar entro19 Nov, 2017 (SB/SX)
  12. 12A piece of metal weighing is heated to and dropped into of cold water in an insulated container at . If the final temperature of the water i05 Nov, 2017 (SA)
  13. 13A system consisting of 1 mol of an ideal gas undergoes a reversible process, (schematically indicated in the figure below). If the temperatu05 Nov, 2017 (SB/SX)
  14. 14Given The entalpy change for the following reaction is2016 (SA)
  15. 15For the reaction where (the average bond energies are and ). The heats of formation of and in , respectively, are closest to2015 (SB/SX)
  16. 16Of the following reactions (i) (ii) (iii) (iv)2014 (SA)
  17. 17The latent heat of melting of ice at is . The entropy change during the melting in is closest to2014 (SB/SX)
  18. 18The milar enthalpy change for at and is . Assuming ideal behavior, the internal energy change for vaporization of 1 mol of water at and 1 at2014 (SB/SX)
  19. 19Given that the bond energies of : is is is , and is 389 , the heat of formation hydrazine in the gas phase in is2014 (SB/SX)
  20. 20The entropy change in the isothermal reversible expansion of 2 moles of an ideal gas from 10 to at 300 is2013 (SB/SX)
  21. 21For the isothermal reversible expansion of an ideal gas2013 (SB/SX)
  22. 22Among the quantities, density , temperature (T), enthalpy (H), heat capacity , volume (V) and pressure (P), a set of intensive variables are2012 (SA)
  23. 23The for vaporization of a liquid is . Assuming ideal behaviour, the change in internal energy for the vaporization of of the liquid at and 12012 (SB/SX)
  24. 24Assuming ideal behaviour, the enthalpy and volume of mixing of two liquids, respectively, are2011 (SB/SX)
  25. 25For a process to occur spontaneously2011 (SB/SX)
  26. 26For the reaction and . The value of and the temperature at which the reaction reaches equilibrium are, respectively,2010 (SB/SX)
  27. 27A concentrated ution of copper sulphate, which is dark blue in colour, a mixed at room temperature with a dilute ution of copper sulphate, w2010 (SB/SX)

Frequently Asked Questions

1.How many questions are available for Thermodynamics (C)?

This chapter includes 27 questions compiled from KVPY papers spanning 2010 to 2020.

2.Are these questions only from KVPY, or from other exams too?

These are KVPY questions specifically for the Thermodynamics (C) chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.

3.Is Thermodynamics (C) an important chapter for KVPY Chemistry?

Thermodynamics (C) has appeared in 11 of the 11 years of KVPY papers covered here, with 27 questions across 19 papers - about one per paper it appears in.