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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NEET 2023 - Target Batch - Aryan Raj Singh
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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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NEET 2023 - Target Batch - Aryan Raj Singh

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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NEET 2023 - Target Batch - Aryan Raj Singh

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%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh

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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56 g of nitrogen and 96 g of oxygen are mixed iso-thermally and a total pressure of 10 atm. The partial pressures of oxygen and nitrogen (in atm) are respectively

1.  4, 6

2.  5, 5

3.  6, 4

4.  8, 2

Subtopic:  Dalton's Law |
 67%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh

A bottle of dry ammonia and a bottle of dry hydrogen chloride connected through a long tube are opened simultaneously at both ends, the white ammonium chloride ring first formed will be

1.  at the centre of the tube

2.  near the hydrogen chloride bottle

3.  near the ammonia bottle

4.  throughout the length of the tube 

Subtopic:  Graham's Law |
 79%
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If a  gas expands at a constant temperature 

i.  the pressure decreases

ii.  the kinetic energy of the molecules remains the same

iii.  the kinetic energy of the molecules decreases

iv.  the number of molecules of the gas increase

1.  i, ii

2.  i, ii, iii

3.  i, ii, iv

4.  ii, iii

Subtopic:  Kinetic Theory of Gas |
 68%
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