A flask containing air (open to atmosphere) is heated from 300 K to 500 K. The percentage of air escaped to the atmosphere is nearly- 

1. 16.6

2. 40

3. 66

4. 20

Subtopic:  Ideal Gas Law |
 59%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

According to Charle’s law, at constant pressure, 100 ml of a given mass of a gas with 10°C rise in temperature will become 1273=0.00366 ,T initial = Zero °C

1. 100.03

2. 99.96

3. 103.66

4. 100.36

Subtopic:  Gas Laws |
 62%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

A sealed tube which can withstand a pressure of 3 atmosphere is filled with air at 27oC and 760 mm pressure. The tube will burst at - 

1. 900°C

2. 627°C

3. 726°C

4. 1173°C

Subtopic:  Gas Laws |
 65%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The pressure of 2 moles of an ideal gas at 546 K having volume 44.8 L is:

1. 2 atm

2. 3 atm

3. 4 atm

4. 1 atm

Subtopic:  Ideal Gas Law |
 78%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The number of moles of H2 in 0.224 litre of hydrogen gas at STP (273 K, 1 atm.) is-

1. 1

2. 0.1

3. 0.01

4. 0.001

Subtopic:  Ideal Gas Law |
 78%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

120 g of an ideal gas of molecular weight 40 g mole–1 are confined to a volume of 20 L at 400 K. The pressure of the gas is- 

 (R=0.0821 L atm K1 mole1)

1. 3.90 atm

2. 4.92 atm

3. 6.02 atm

4. 2.96 atm

Subtopic:  Ideal Gas Law |
 86%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The volume of 2.8 g of carbon monoxide at 27°C and 0.821 atm pressure is- 

(R=0.0821 lit atm K1 mol1)

1. 0.3 litre

2. 1.5 litre

3. 3 litre

4. 30 litre

Subtopic:  Ideal Gas Law |
 70%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

3.2 g of oxygen  and 0.2 g of hydrogen are placed in a 1.12 litre flask at 0°C.

The total pressure of the gas mixture will be-

1. 1 atm

2. 4 atm

3. 3 atm

4. 2 atm

Subtopic:  Ideal Gas Law |
 73%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The density of methane at 2.0 atmosphere pressure and 27°C is- 

1. 0.13 gL–1

2. 0.26 gL–1

3. 1.30 gL–1

4. 2.60 gL–1

Subtopic:  Gas Laws |
 73%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The volume of 0.0168 mol of O2 obtained by decomposition of KClO3 and collected by displacement of water is 428 ml at a pressure of 754 mm Hg at 25°C. The pressure of water vapour at 25°C is- 

1. 18 mm Hg

2. 20 mm Hg

3. 22 mm Hg

4. 24 mm Hg

Subtopic:  Ideal Gas Law |
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh