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Chemistry - States of Matter

Practise 82 NTA Abhyas (JEE Main) questions on States of Matter. Each question shows a quick preview so you can jump straight to the topic you want to revise.

States of Matter has been asked in 0 of the 25 years of NTA Abhyas (JEE Main) papers analysed (2002–2026), with 82 questions in all. 100% of them were easy, 0% moderate and 0% tough. Most of its questions came from 2026, with 0 questions that year. In the last three years (2024–2026) it had 0 questions across 49 papers, about 0 per paper.

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

  1. 1A spherical balloon of 21 cm diameter is to be filled up with H 2 at NTP from cylinder containing the gas at 20 atm at 27 o C . The cylinder
  2. 2An open manometer attached to a flask containing ammonia gas have no difference in mercury level initially as shown in diagram. After sparki
  3. 3Nitrogen gas is kept in an open beaker at 273 K and 1 atm pressure. If the pressure of the surrounding suddenly falls to 0.5 atm and the tem
  4. 4One mole of a monoatomic real gas satisfies the equation p V − b = RT where b is a constant. The relationship of interatomic potential V ( r
  5. 5The rate of diffusion of two gases A and B are in the ratio 1 : 4 a s s u m e ; P A = P B . In other experiment a mixture contains these gas
  6. 6What will be the relation between the T 1 of gas 1 with M 1 = 56 and T 2 of gas 2 with M 2 = 44 if the average speed of gas 1 is equal to mo
  7. 7For a given one mole of ideal gas kept at 6.5 a t m in a container of capacity 2.463 L , the Avogadro proportionality constant for the hypot
  8. 860 g of gaseous C 2 H 6 are mixed with 28 g of carbon monoxide. The pressure of the resulting gaseous mixture is 3 atm. The partial pressure
  9. 9A sample of hydrogen gas was collected over water at 21 ° C and 685 mm Hg. The volume of the container was 7.80 L. Calculate the mass of H 2
  10. 10An open vessel at 27 o C is heated until 3/8 th of the air in it has been expelled. Assuming that the volume remains constant, calculate the
  11. 11According to the kinetic theory of gases, between two successive collisions, a gas molecule travels
  12. 12The van der Waals equation for one mole of a real gas can be written as P + a V 2 V – b = R T . For the gases H 2 , N H 3 , and C H 4 , the
  13. 13For one mole of a van der Waals when b = 0 and T = 300 K, the PV vs. 1/V plot is shown below. The value of the van der Waals constant a (atm
  14. 14At what temperature (in kelvin) is the rms speed of hydrogen molecules the same as oxygen molecules at 1327 ℃ ?
  15. 15A balloon has a volume 400 ml at 0 ° C . The balloon is distended to 4/5th of its maximum stretching capacity. (i) Will burst if it is broug
  16. 16N 2 + 3 H 2 ⟶ 2 N H 3 1 mole N 2 and 4 moles H 2 are taken in 15 L flask at 27 o C . After complete conversion of N 2 into N H 3 , 5 L of H
  17. 17Positive deviation from ideal behaviour takes place because of
  18. 18Which of the following graph represent Boyles law?
  19. 19The ideal gas equation for 1 mol of ideal gas is PV = nRT The graph between P and T at constant volume, i.e. isochores are plotted as under
  20. 20Two closed bulbs of equal volume (V) containing an ideal gas initially at pressure p i and temperature T 1 are connected through a narrow tu
  21. 21The composition of the equilibrium mixture for the equilibrium C l 2 ⇌ 2 C l at 1470 K diffuses 1.16 times as fast as Krypton (84) under the
  22. 2250 m l of hydrogen diffuses out through a small hole from a vessel in 20 minutes. Calculate the time (in minutes) needed for 40 m l of oxyge
  23. 23If density of vapours of a substance of molar mass 18 gm/mole at 1 atm pressure and 500 K is 0.36 kg m − 3 , then value of Z for the vapours
  24. 24The rates of diffusion of gases A and B of molecular weight 36 and 64 are in the ratio
  25. 25The volume-temperature graphs of a given mass of an ideal gas at constant pressures are shown below. What is the correct order of pressures?
  26. 26To an evacuated vessel with movable piston under external pressure of 1 atm, 0.1 mol of He and 1.0 mol of an unknown compound (vapour pressu
  27. 27The drain cleaner, Drainex contains small bits of aluminium which react with caustic soda to produce dihydrogen. What volume of dihydrogen i
  28. 28The diffusion coefficient of an ideal gas is proportional to its mean free path and mean speed. The absolute temperature of an ideal gas is
  29. 29Three isothermal plots (P versus V) A, B and C are plotted at three temperature T 1 , T 2 and T 3 respectively The correct order of temperat
  30. 30Two van der waal's gases have same value of a but different value of b which of the following statement is correct?
  31. 31Which of the following sketches is an isobars (Given: nR P 1 )
  32. 32Consider the following graph: X, Y and Z can be respectively
  33. 33A flask containing air (open to the atmosphere) is heated from 300K to 500K. Then % of air escaped to the atmosphere is
  34. 34In van der Waal's equation of state of the gas law, constant 'a' and 'b' are used. The constant 'b' is a measure of
  35. 35At STP, a container has 1 mole of Ar, 2 moles of C O 2 , 3 moles of O 2 and 4 moles of N 2 without changing the total pressure if one mole o
  36. 36Which of the following represents a plot of compressibility factor (Z) versus P at room temperature for helium?
  37. 37Determine how many of the following statements are true at very high pressure for a real gas: a Compressibility factor is greater than 1 . b
  38. 38A balloon filled with oxygen is placed in a tank full of hydrogen gas at the same pressure, is pricked with a sharp pointed needle. The volu
  39. 39One mole of N 2 O 4 (g) at 300 K is kept in a closed container under one atmosphere. It is heated to 600 K when 20% by mass of N 2 O 4 (g) d
  40. 40The van der Waal's constant 'b' of a gas is 4 π × 1 0 - 4 L/mol . How near can the centres of the two molecules approach each other ? [Use :
  41. 41The root mean square of gas molecules at 25 K and 1.5 bar is 100 m s - 1 . If the temperature is raised to 100 K and the pressure to 6.0 bar
  42. 42An air column closed in a tube sealed at one end by a H g column having height h . When the tube is placed with open end down, the height of
  43. 43A 2 L vessel is filled with air 50 ° C and a pressure of 3 atm. The temperature is now raised to 200 ° C . A value is now opened so that the
  44. 44The qualitative sketches I, II and III given below show the variation of surface tension with molar concentration of three different aqueous
  45. 45The reduced temperature = θ = T T C The reduced pressure = π = P P C The reduced volume = ϕ = V V C Hence, it can be said that the reduced e
  46. 46To an evacuated vessel with movable piston under external pressure of 1 atm, 0.1 mole of He and 1.0 mole of an unknown compound (vapour pres
  47. 47For one mole of a van der Waals gas when b = 0 and T = 300 K, the PV vs. 1 V plot is shown below. The value of the van der Waals constant a
  48. 48Which of the following graphs shows most significant deviation from ideal gas behaviour?
  49. 49At what temperature would N 2 molecules have same average speed as C O molecules at 200 K .
  50. 50The critical constants P C T C for methane are 45 a t m and 180 K . The correct statement is -

Frequently Asked Questions

1.How many questions are available for States of Matter?

This chapter includes 82 NTA Abhyas (JEE Main) questions.

2.Are these questions only from NTA Abhyas (JEE Main), or from other exams too?

These are NTA Abhyas (JEE Main) questions specifically for the States of Matter chapter. Questions from other exams like JEE Main or JEE Advanced are organised separately under their respective exam sections.

3.What is the difficulty level of States of Matter questions in NTA Abhyas (JEE Main)?

Of the 82 questions analysed for this chapter, 100% are easy, 0% moderate and 0% tough. 2026 had the most, with 0 questions.

4.Which topics in States of Matter should I focus on?

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