7.5 grams of gas occupy 5.6 liters of volume at STP. The gas is..

(Atomic weight of C, N, and O are 12, 14, 16 respectively)

(1) NO

(2) N2O

(3) CO

(4) CO2

Subtopic:  Ideal Gas Law |
 76%
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The compressibility factor for 1 mol of a van der Waals gas at 0°C and 100 atmospheric pressure is found to be 0.5. The volume of gas is-

1. 2.0224 L

2. 1.4666 L

3. 0.8542 L

4. 0.1119 L

Subtopic:  Compressibility Factor |
 68%
From NCERT
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4 grams of an ideal gas occupies 5.6035 liters of volume at 546 K and 2 atm pressure. What is its molecular weight?

1. 4

2. 16

3. 32

4. 64

Subtopic:  Ideal Gas Law |
 85%
From NCERT
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The kinetic energy of 4 moles of nitrogen gas at 127°C is ......... Kcals. (R=2 cal mol-1 K-1)

1. 4400

2. 3200

3. 4800

4. 1524

Subtopic:  Kinetic Theory of Gas |
 79%
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A gaseous mixture contains 56 g of N2, 44 g of CO2 and 16 g of CH4. The pressure of mixture is 720 mm of Hg. The partial pressure of methane is

1. 75 mm

2. 160 mm

3. 180 mm

4. 215 mm

Subtopic:  Dalton's Law |
 86%
From NCERT
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At 25°C and 730 mm pressure, 380 mL of dry oxygen was collected. If the temperature is constant, what volume will the oxygen occupy at 760 mm pressure?

1. 365 mL

2. 2 mL

3. 10 mL

4. 20 mL

Subtopic:  Gas Laws |
 88%
From NCERT
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At a certain pressure, volume of a gas at 27°C is 20 litre. If the pressure and temperature are doubled, its volume will be

1. 20 liter

2. 40 liter

3. 8.2 liter

4. 10.9 liter

Subtopic:  Gas Laws |
 78%
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A gas has double the average velocity of SO2 gas at any temperature. The gas may be

1. CO2

2. C2H4

3. CH4

4. O2

Subtopic:  Molecular Velocity |
 69%
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The densities of two gases are in the ratio of 1:16. The ratio of their rates of diffusion is

1. 16 : 1

2. 4 : 1

3. 1 : 4

4. 1 : 16

Subtopic:  Graham's Law |
 73%
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The critical temperature of the water is higher than that of O2 because the H2O molecule has

1.  fewer electrons than O2

2.  two covalent bonds

3.  V-shape

4.  dipole moment

 

Subtopic:  Liquefaction of Gases & Liquid |
 64%
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