States of Matter: NEET Chemistry Previous Year Questions

196 previous year questions from States of Matter. Here are the 25 most important ones; open any question for the correct answer and a full step-by-step solution.

1. $The most probable velocity of a gas at 7200 K is equal to the RMS velocity of He gas at 27^{\circ} C . The gas is$
2. $What is the total pressure exerted by the mixture of 7.0 g of N_{2}, 2 g of hydrogen and 8.0 g of sulphur dioxide gases in a vessel of 6 L capacity that has been kept i\dots$
3. $The standard molar enthalpy of vaporisation (Δ_{vap} H^{\circ}) of A, B and C liquids is 23.3, 41 and\dots$
4. $Which one of the following is the wrong statement about the liquid?$
5. $A gas deviates from ideal behaviour at a high pressure because its molecules$
6. $At T (K), an ideal gas (Z) present in VL flask exerted a pressure of 16.4 atm . Its concentration is\dots$
7. $Given below are two statements. One is labelled as Assertion A and the other is labelled as Reason R. Assertion A : Activated charcoal adsorbs S O_{2} more efficiently t\dots$
8. $10 moles of an ideal gas present in 8.21 litre container at constant temperature. The intercept on y-axis and slope of curve plotted between P/T vs T.$
9. $A gaseous mixture of 2 moles of A, 3 moles of B, 5 moles of C and 10 moles of D contained in a vessel. Assuming that gases are ideal and partial p\dots$
10. $1 mole of gas A and 1 mole of gas B at 27^{\circ} C were pumped into a 24.6 L . Volume pre-evacuated isolated flask. The catalyst coated inside the fla\dots$
11. $For one mole of an ideal gas, increasing the temperature from 10^{\circ} C to 20^{\circ} C$
12. $In order to increase the volume of a gas by 10 %, the pressure of the gas should be$
13. $If the kinetic energy of O_{2} gas is 4.0 kJ mol^{- 1}, its RMS speed in cm s^{- 1} is$
14. $0.5 moles of gas A and x moles of gas B exert a pressure of 200 Pa in aa container of volume 10 m^{3} at 1000 K. Given R is the gas constant in\dots$
15. $A gas obeys Charles law in the temperature range 0-500 K at a given pressure. Its volume changes to zero at temperature of$
16. $The rate of diffusion of a gas A is 5 times more than that of gas B . If the molar mass of A is xg mol^{- 1}, the molar mass of\dots$
17. $The density of gas A is twice that of B at the same temperature the molecular weight of gas B is twice that of A.The ratio of pressure of gas A and B will be :$
18. $Liquor ammonia bottles are opened only after cooling. This is because it$
19. $Which one of the following is the kinetic energy of a gaseous mixture containing 3 g of hydrogen and 80 g of oxygen at temperature T (K) \dots$
20. $The volume of 2.8 g of CO at 27^{\circ} C and 0.821 atm pressure is (R = 0.08210 lit atm\dots$
21. $Which among the following statements is/are incorrect regarding real gases? (i) Their compressibility factor is never equal to unity (Z \neq = 1) . (ii) The\dots$
22. $At 300 K, the density of a certain gaseous molecule at 2 bar is double to that of dinitrogen (N_{2}) at 4 bar. The molar mass of gaseous molecule is :$
23. $The most probable speed of O_{2} molecules at T (K) is$
24. $A balloon filled with an air sample occupies 3 L volume at 35^{\circ} C . On lowering the temperature to T, the volume decreases to 2.5 L . The te\dots$
25. $When does a gas deviate the most from its ideal behaviour ?$

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States of Matter: NEET Chemistry Previous Year Questions

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