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: […]
Questions
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 […]
If 0.44g of a colourless oxide of nitrogen occupies 224 ml at 1520 mm of Hg and 273⁰C
If 0.44g of a colourless oxide of nitrogen occupies 224 ml at 1520 mm of Hg and 273⁰C, then the compound is
Options
(a) N₂O (b) NO₂ (c) NO₄ (d) N₂O₂
Correct Answer: […]
The volume of 2.8g of carbon monoxide at 27⁰C and 0.821 atm pressure is
The volume of 2.8g of carbon monoxide at 27⁰C and 0.821 atm pressure is (R = 0.0821 lit. atm mol⁻¹ K⁻¹)
Options
(a) 0.3 litre (b) 3 litre (c) 1.5 litre (d) 30 […]
At what temperature, the rms velocity of gas shown at 50⁰C will be doubled
At what temperature, the rms velocity of gas shown at 50⁰C will be doubled
Options
(a) 626 K (b) 1019 K (c) 200⁰C (d) 1019⁰C
Correct Answer:
1019⁰C
Explanation:
C(rms) = √(3RT / […]
Different gases at the same temperature must have
Different gases at the same temperature must have
Options
(a) same volume (b) same pressure (c) same average KE (d) same van der Waals constant
Correct Answer:
same average KE
Explanation:
No explanation […]