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 (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
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
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 […]
Surface tension vanishes at
Options
(a) boiling point (b) critical point (c) condensation point (d) triple point
Correct Answer:
critical point
Explanation:
At critical point, the meniscus between the liquid and the vapour […]
How many calories are required to heat 40 gram of argon from 40⁰C to 100⁰C at constant volume? ( R = 2 cal/mol.K)
Options
(a) 120 (b) 2400 (c) 1200 (d) 180
Correct […]
6.4 g SO₂ at 0⁰C and 0.99 atm pressure occupies a volume of 2.24 L. Predict which of the following is correct
Options
(a) the gas is ideal (b) the gas is real […]
What is kinetic energy of 1 g of O₂ at 47⁰C
Options
(a) 1.24 ˣ 10² J (b) 2.24 ˣ 10² J (c) 1.24 ˣ 10³ J (d) 3.24 ˣ 10² J
Correct […]
The kinetic energy of a gas molecule is … temperature
Options
(a) independent of (b) directly proportional to (c) inversely proportional to (d) directly proportional to square root of
Correct Answer:
directly proportional […]
Which among the following gas will greatly deviate from Henry’s law in water
Options
(a) H₂ (b) N₂ (c) CH₄ (d) CO₂
Correct Answer:
CO₂
Explanation:
Gases obey Henry’s law provided (i) the […]
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