An ideal gas expands according to PV=constant. On expansion, the temperature of gas:

(1) will rise

(2) will drop

(3) will remain constant

(4) cannot be determined because the external pressure is not known

Subtopic:  Gas Laws |
 76%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

The compressibility of a gas is less than unity at STP. Therefore:

(1) Vm > 22.4 litre                           

(2) Vm < 22.4 litre

(3) Vm = 22.4 litre                           

(4) Vm = 44.8 litre

Subtopic:  Compressibility Factor |
 74%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

The numerical value of Cp-Cv for one mole of the ideal gas is equal to:

1. R             

2. R/M

3. M/R         

4. None of the above

Subtopic:  Kinetic Theory of Gas |
 81%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

In which case is the rate of diffusion highest if all are present in the same container at the same temperature:

1. 4 g H2

2. 32 g O2

3. 22 g CO2

4. 56 g N2

Subtopic:  Graham's Law |
 73%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

Partial pressure of Hydrogen in Flask containing 2 gm of H2 and 32 gm of SO2 is 

1. 1/16 of total pressure

2. 1/2 of total pressure

3. 2/3 of total pressure

4. 1/8 of total pressure

Subtopic:  Ideal Gas Law |
 77%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

At high pressure, the compressibility factor 'Z' is equal to -

1.  Unity

2. 1-PbRT
3. 1+PbRT

4.  Zero

Subtopic:  Compressibility Factor | van der Waal’s Correction |
 73%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

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
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

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 |
 78%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

If density of vapours of a substance of molar mass 18 gm / mole at 1 atm pressure and 500 K is 0.36 kg m–3 , then value of Z for the vapours is : (Take R = 0.082 L atm mole K–1)

(1) 4150

(2) 5041

(3) 1.1

(4) 0.9

Subtopic:  Ideal Gas Law |
 64%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

advertisementadvertisement

A sample of water gas has a composition by volume of 50% H2, 45% CO and 5% CO2. Calculate the volume in litre at S.T.P. of water gas which on treatment with excess of stream will produce 5 litre H2. The equation for the reaction is : CO + H2O CO2+ H2

(1) 4.263 Litre

(2) 5.263 Litre

(3) 6.263 Litre

(4) 7.263 Litre

Subtopic:  Gas Laws |
 67%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints