The mean free path ($\mathrm{\lambda }$) of a gas sample is given by:

1. $\lambda =\sqrt{2}\pi {\sigma }^{2}N$

2. $\lambda =1/\sqrt{2}\pi {\sigma }^{2}N$

3. $\lambda =\sqrt{2}\pi \mu {\sigma }^{2}N$

4. none of these

Subtopic:  Kinetic Theory of Gas |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:

Which is lighter than dry air?

1. Moist air

2. SO2

3. Cl2

4. O2

Subtopic:  Introduction to States of Matter |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:

The ratio a/b (the terms used in van der Waals' equation) has the unit:

1. atm lire mol-1

2.  atm dm3 mol-1

3. dyne cm mol-1

4. all of these

Subtopic:  Vanderwaal Correction |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:

In the vander Waals' equation, the constant 'a' and 'b' with temperature shows which trend when the temperature is too low:

1. both remains same

2. 'a' remains same, 'b' varies

3. 'a' varies, 'b' remains same

4. both varies

Subtopic:  Vanderwaal Correction |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:

At relatively high pressure, van der Waals' equation reduces to:

1. PV = RT

2. PV = RT + a/v

3. PV = RT + Pb

4. PV = RT - a/V2

Subtopic:  Vanderwaal Correction |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:

When is the deviation more in the behaviour of a gas from the ideal gas equation pV=nRT?

1. AT high temperature and low pressure

2. At low temperature and high pressure

3. At high temperature and high pressure

4. At low temperature and low pressure

Subtopic:  Kinetic Theory of Gas |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:

Joule-Thomson coefficient ($\partial \mathrm{T}/\partial \mathrm{P}$)H for an ideal gas is:

1. zero

2. +ve

3. -ve

4. none of these

Subtopic:  Liquefaction of Gases |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:

All the three states H2O, i.e., the triple point for H2O the equilibrium,

Ice $⇌$Water$⇌$Vapour exist at:

1. 3.85 mm and 0.0981 $°$C

2. 4.58 mm and 0.0098 $°$C

3. 760 mm and 0$°$C

4. none of the above

Subtopic:  Liquefaction of Gases |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:

The unit of van der Waals' constant 'a' is:

1. atm litre2 mol-2

2. dyne cm4 mol-2

3. newton m4 mol-2

4. all of these

Subtopic:  Vanderwaal Correction |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:

The unit of van der Waals' constant 'b' is :

1. cm3 mol-1

2. litre mol-1

3. m3 mol-1

4. all of these

Subtopic:  Vanderwaal Correction |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level: