The rate of diffusion of two gases A and B is in the ratio of 1:4 and the B and C in the ratio 1:3 the rate of diffusion of C with respect to A is 

1. 1/12

2. 12

3. 3

4. 4

Subtopic:  Graham's Law |
 61%
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NEET 2023 - Target Batch - Aryan Raj Singh
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A sample of air contains only N2, O2 and H2O. It is saturated with water vapours and the total pressure of 640 torr. The vapoure pressure of water is 40 torr and the molar ratio of N2:O2 is 3:1. The partial pressure of N2 in the sample in 

1. 480 torr

2. 600 torr

3. 525 torr

4. 450 torr

Subtopic:  Graham's Law |
 54%
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NEET 2023 - Target Batch - Aryan Raj Singh
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The temperature at which the r.m.s velocity of carbon dioxide becomes the same as that of nitrogen at 210C is-

1. 462 oC

2. 273 K

3. 189 oC

4. 546 K

Subtopic:  Molecular Velocity |
 68%
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NEET 2023 - Target Batch - Aryan Raj Singh
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At what temperature will the total K.E. of 0.3 mol of He be the same as the total K.E. of 0.4 mol of Ar at 400 K

1. 400K

2. 300K

3. 346K

4. 533K

Subtopic:  Kinetic Theory of Gas |
 60%
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NEET 2023 - Target Batch - Aryan Raj Singh
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The density of O2(g) is maximum at-

1. STP

2. 273 K and 2 atm 

3. 546 K and 1 atm

4. 546 K and 2 atm

Subtopic:  Gas Laws |
 67%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

20 L of SO2 diffuses through a porous partition in 60s. Volume of O2 diffuse under similar condition in 30s will be:-

1. 12.14 L

2. 14.14 L

3. 18.14 L

4. 28.14 L

Subtopic:  Graham's Law |
 72%
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NEET 2023 - Target Batch - Aryan Raj Singh
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In van der Waal's equation of state for a non-ideal gas, the term that accounts for the intermolecular force is-

1. V-b

2. (P+a/V2)

3. RT

4. (RT)-1

Subtopic:  van der Waal’s Correction |
 86%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

At moderate pressure, the van der Waal's equation becomes:

1. PVm = RT

2. P(Vm-b) = RT

3. (P+a/V2m) (Vm )= RT

4. P = RT/Vm + a/V2m

Subtopic:  van der Waal’s Correction |
 67%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

The compressibility factor for a real gas at high pressure is:-

1. 1

2. 1+Pb/RT

3. 1-Pb/RT

4. 1-RT/Pb

Subtopic:  Compressibility Factor |
 82%
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A gas diffuses four time quickly as oxygen. The molecular weight of gas is:

1. 2

2. 4

3. 8

4. 16

Subtopic:  Graham's Law |
 70%
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NEET 2023 - Target Batch - Aryan Raj Singh
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