Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
KVPY2016ChemistryStates of Matter

The ratio of root mean square velocity of hydrogen at 50 ~K to that of nitrogen at 500 ~K is closest to

Options

  1. A1.18
  2. B0.85
  3. C0.59
  4. D1.40

Correct answer

A. 1.18

Step-by-step solution

V _ rms = 3 RT M ( V _ rms )_ H ₂ ( ~V _ rms )_ O ₂ = 3 R 50 2 3 R 500 28 =1.18

Practice States of Matter on Quantrex Academy →

More from States of Matter

If the molar masses of two chemically non-reacting gases A ₂ and B ₂ are 28 amu and 32 amu respectively and 0.8g of A ₂ and 0.4g of B ₂ are enclosed in a container with a total pre 2026Identify the correct graph for an ideal gas ( y -axis = compressibility factor, Z ; x -axis = pressure, p ) 2025Identify the correct statements from the following. I. Glass is an extremely viscous liquid. II. Increase in temperature decreases the surface tension of liquids. III. Compressibil 20252.0 g of H ₂ diffuses through a porous container in 10 minutes. How many grams of O ₂ would diffuse from the same container in the same time under similar conditions? 2025At T ( K ) , the u _ rms of CO ₂ is 412 ~ms ⁻¹ . What is its kinetic energy (in kJ mol ⁻¹ ) at the same temperature ? ( CO ₂=44 u ) . 2025The correct equation for one mole of a real gas is (a, b are constants) 2025A and B are ideal gases. At T(K), 2 L of ' A ' with a pressure of 1 bar is mixed with 4 L of ' B ' with a pressure p _ B bar in a 100 L flask. The pressure exerted by gaseous mixtu 2025Consider the following Statement-I : If thermal energy is stronger than intermolecular forces, the substance prefers to be in gaseous state. Statement-II : At constant temperature, 2025 Full States of Matter list All KVPY PYQs