At what temperature will the volume of gas becomes 2x, if volume
At what temperature will the volume of gas becomes 2x, if volume of this gas is x at 0⁰C at constant pressure
Options
(a) 546⁰C (b) 546 K (c) 0⁰C (d) 237⁰C
Correct […]
Chemistry
Increasing order of rms velocities of H₂,O₂,N₂ and HBr is
Increasing order of rms velocities of H₂,O₂,N₂ and HBr is
Options
(a) H₂,O₂,N₂,HBr (b) HBr,O₂,N₂,H₂ (c) H₂,N₂,O₂, HBr (d) HBr,N₂,O₂,H₂
Correct Answer:
HBr,O₂,N₂,H₂
Explanation:
Increasing order of rms velocities of H₂, O₂, […]
A flask contains 36% oxtgen and 26% hydrogen. If the total pressure of the mixture
A flask contains 36% nitrogen ,39% oxygen and 26% hydrogen. If the total pressure of the mixture of gases is 500 mm, the partial pressure of oxygen is
Options
(a) 120 mm (b) […]
A ideal gas will have maximum density when
A ideal gas will have maximum density when
Options
(a) p = 1 atm, T = 300 K (b) p = 2 atm,T = 150 K (c) p = 0.5 atm,T = 600 […]
300 mL of a gas at 27⁰C is cooled to -3⁰C at constant pressure
300 mL of a gas at 27⁰C is cooled to -3⁰C at constant pressure. The final volume is
Options
(a) 350 L (b) 270 mL (c) 540 L (d) 135 mL
Correct Answer: […]
Distribution law was given by
Distribution law was given by
Options
(a) Ostwald (b) Nernst (c) Henery (d) van’t Hoff
Correct Answer:
Nernst
Explanation:
Nernst statement: The dissolved substance distributes itself between two immiscible solvents in contact in […]
8.2 L of an ideal gas weight 9.0 gm at 300 K and 1 atm pressure
8.2 L of an ideal gas weight 9.0 gm at 300 K and 1 atm pressure. The molecular mass of the gas is
Options
(a) 9 (b) 18 (c) 27 (d) 36
Correct Answer: […]
What will be the partial pressure of He and O₂, if 200 mL of He at 0.66 atm and 400 mL
What will be the partial pressure of He and O₂, if 200 mL of He at 0.66 atm and 400 mL of O₂ at 0.52 atm. pressure are mixed in 400 mL vessel at 20⁰C […]
Which of the following is a representation of Gay-Lussac’s law
Which of the following is a representation of Gay-Lussac’s law
Options
(a) P₁V₁ = P₂V₂ (b) P₁T₁ = P₂T₂ (c) V₁T₂ = V₂T₁ (d) P₁T₂ = P₂T₁
Correct Answer:
P₁T₂ = P₂T₁
Explanation: […]
A vessel contains a mixture of different types of gases.Which of the following
A vessel contains a mixture of different types of gases.Which of the following statement is correct
Options
(a) On the average the heavier molecules have higher translation energy (b) The average speed of […]