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Chemistry - Thermodynamics (C)

Practise 199 NEET NTA questions on Thermodynamics (C). Each question shows a quick preview so you can jump straight to the topic you want to revise.

Thermodynamics (C) has been asked in 0 of the 38 years of NEET NTA papers analysed (1988–2025), with 199 questions in all. 100% of them were easy, 0% moderate and 0% tough. Most of its questions came from 2025, with 0 questions that year. In the last three years (2023–2025) it had 0 questions across 6 papers, about 0 per paper.

All of the chapter's questions come from a single topic, Uncategorized.

  1. 1The standard enthalpy of formation of octane ( C 8 H 18 ) is − 250 kJmol − 1 . The enthalpy of formation of C O 2 ( g ) and H 2 O ( l ) are
  2. 2Graph of heat capacity at constant volume for a monoatomic gas is
  3. 3How much energy must be supplied to change 36 g of ice at 0 ° C to water at room temperature 25 ° C ? Data for water Δ H f u s i o n o 6 .01
  4. 4The change in the internal energy of a substance
  5. 5Δ H f o of C O 2 ( g ) , C O ( g ) , N 2 O ( g ) and N O 2 ( g ) in kJ/mol are respectively - 393 , - 110,81 and 34. Calculate the Δ H in kJ
  6. 6The standard heat of formation ( Δ f H 298 0 ) of ethane (in k J / m o l ), if the heat of combustion of ethane, hydrogen and graphite are –
  7. 7Two moles of helium gas expanded isothermally and irreversibly at 27 o C from volume 1 d m 3 to 1 m 3 at constant pressure of 100 k Pa . Cal
  8. 8The heat capacity of a bomb calorimeter is 500 J/ o C. When 0.1 g of a methane was burnt in this calorimeter, the temperature rose by 2 o C.
  9. 9Standrad entropies of X 2 , Y 2 and X Y 3 are 60, 40 and 50 J K - 1 m o l - 1 respectively. For the reaction 1 2 X 2 + 3 2 Y 2 ↔ X Y 3 , Δ H
  10. 10How much heat is required to change 5 gram ice ( 0 ° C ) to steam at 100 ° C ? Latent heat of fusion and vaporization for water are 80 cal/g
  11. 11Assume each reaction is carried out in an open container. For which reaction will ∆ H = ∆ E ?
  12. 12For which reaction change of entropy will be positive?
  13. 13The difference between C - p and C - v is [ C - p and C - v signify molar quantities]
  14. 14The molar heat capacity of water in equilibrium with ice at constant pressure is
  15. 15For the reaction between C O 2 and graphite C O 2 ( g ) + C ( s ) ⇌ 2 C O ( g ) Δ H = + 170.0 kJ and Δ S = 170 J K - 1 . The reaction is spo
  16. 16For vaporization of water at 1 atmospheric pressure, the values of ∆H a n d ∆S are 40.63 k J m o l - 1 a n d 108.8 J K - 1 m o l - 1 respect
  17. 17Match the physical changes in List-I with their relations given in List-II List I List II P . Δ G 1 . Δ U + P Δ V Q . Δ H 2 . - n F E R . Δ
  18. 18One mole of a non-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, Δ
  19. 19The enthalpy change involved in the oxidation of glucose is – 2880 k J m o l - 1 . Twenty five percent of this energy is available for muscu
  20. 20A piston filled with 0.04 mol of an ideal gas expands reversibly from 50.0 mL to 375 mL at a constant temperature of 3 7 . 0 ∘ C . As it doe
  21. 21For reversible process, total change in entropy of universe is
  22. 22The heat of neutralisation of a strong base and a strong acid is 13.7 kcal. The heat released when 0.6 mole HCl solution is added to 0.25 mo
  23. 23The molar heat capacity of water at constant pressure P, is 75 J K - 1 m o l - 1 . When 1.0 kJ of heat is supplied to 100 g of water which i
  24. 24In an irreversible process taking place at constant T and P and in which only P-V work is being done, the change in Gibbs energy (dG) and ch
  25. 25For a hypothetical reaction A ( g ) + 3 B ( g ) → 2 C ( g ). Δ H = - 100 k J and Δ S = - 200 J K - 1 . Then the temperature at which the rea
  26. 26Warming ammonium chloride with sodium hydroxide in a test tube is an example of
  27. 27Enthalpy ( H ) of system is equal to
  28. 28One mole of an ideal gas C V = 20 J K - 1 m o l - 1 initially at STP is heated at constant volume to twice the initial temperature. For the
  29. 29Which of the following is intensive property
  30. 30The enthalpy and entropy change for the reaction Br 2 ( l ) + Cl 2 ( g ) → 2 BrCl ( g ) are 30 k J m o l - 1 and 105 J K - 1 m o l - 1 respe
  31. 31In the present graph, the area of circle A and B are 25 unit and 20 unit respectively work done will be in unit?
  32. 32Calculate Q and w for the isothermal reversible expansion of one mole of an ideal gas from an initial pressure of 1.0 bar to a final pressur
  33. 33Which of the following are not a constant value between two given thermodynamic states of a given system? (I) q + w (II) q (III) w (IV) H -
  34. 34A gas is allowed to expand in a well insulated container against a constant external pressure of 2.5 atm from an initial volume of 2.50 L to
  35. 35The heat of formation of N H 3 ( g ) is - 46 k J m o l - 1 . The Δ H (in kJ) of the reaction is 2 N H 3 ( g ) → N 2 ( g ) + 3 H 2 ( g )
  36. 36When one mole of sulphuric acid react with one mole of zinc dust in a bomb calorimeter, then Δ U and w correspond to
  37. 37Considering entropy ( S ) as a thermodynamic parameter, the criteria for the spontaneity of any process is
  38. 38Calculate the heat of reaction for the following reaction S O 2 + 1 2 O 2 → S O 3 . Given the values of heat of formation of S O 2 and S O 3
  39. 39The enthalpies of combustion of carbon and carbon monoxide are - 393.5 and - 283 k J m o l - 1 respectively. The enthalpy of formation of ca
  40. 40The enthalpy of vaporisation of a substances is 840 J m o l - 1 and its boiling point is - 173 ° C . Its enthalpy of vaporisation is
  41. 41Enthalpy of a reaction at 27 o C is 15 kJ mol -1 . The reaction will be feasible if entropy is
  42. 42The enthalpy of vaporization of liquid is 30 k J m o l – 1 and entropy of vapourisation is 75 J m o l – 1 K. The boiling point of the liquid
  43. 43The change in entropy; Δ S is positive for an endothermic reaction. If enthalpy change Δ H occurs at the same temperature T, then the reacti
  44. 44Calculate the work done during combustion of 0.138 kg of ethanol, C 2 H 5 O H ( l ) at 300 K. (Given: R = 8.314 J K - 1 m o l - 1 , molar ma
  45. 45The standard molar enthalpies of formation of cycohexane (l) and benzene (l) at 25 ° C are -156 and +49 KJ m o l - 1 respectively. The stand
  46. 46What is the melting point of benzene if Δ H f u s i o n = 9.95 kJ/mol and Δ S f u s i o n 35.7 J/K-mol?
  47. 47Calculate the work done during isothermal expansion of one mole of an ideal gas from 10 atm to 1 atm at 300 K
  48. 48S + 3 2 O 2 → S O 3 + 2 x kcal S O 2 + 1 2 O 2 → S O 3 + y kcal The heat of formation of S O 2 is
  49. 49In the cyclic process shown in P-V diagram, the magnitude of the work done is
  50. 50An ideal gas expands from 1 0 - 3 m 3 to 1 0 -2 m 3 at 300 K, against a constant pressure of 1 0 5 N m - 2 . The work done on it is

Frequently Asked Questions

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

This chapter includes 199 NEET NTA questions.

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

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

3.What is the difficulty level of Thermodynamics (C) questions in NEET NTA?

Of the 199 questions analysed for this chapter, 100% are easy, 0% moderate and 0% tough. 2025 had the most, with 0 questions.

4.Which topics in Thermodynamics (C) should I focus on?

All of this chapter's questions come from a single topic: Uncategorized.