The mean free path (λ) of a gas sample is given by:

1. λ=2πσ2N                               

2. λ=1/2πσ2N

3. λ=2πμσ2N                               

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
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 litre mol-1                           

2. atm dm3 mol-1

3. dyne cm mol-1                           

4. All of the above

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:


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:


The maximum deviation from ideal gas behaviour takes place -  

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 (T/P)H for an ideal gas is:

1. zero                                 

2. +ve

3. -ve                                   

4. none of these

Subtopic:  Liquefaction of Gases & Liquid |
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 WaterVapour 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 & Liquid |
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:


At STP, 0.50-mole H2 gas and 1.0 mole He gas                                  

1. have equal average kinetic energies

2. have equal molecular speeds

3. occupy equal volumes

4. have equal effusion rates

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

Difficulty Level: