A balloon is filled with hydrogen at room temperature. It will burst if pressure exceeds 0.2 bar. If at 1 bar pressure the gas occupies 2.27 L volume, upto what volume can the balloon be expanded ?

1. 11.35 L

2.  08.35 L

3. 13.35 L

4. None of the above

On a ship sailing in Pacific Ocean where temperature is 23.4°C, a balloon is filled with 2 L air. When the ship reaches Indian ocean, where temperature is 26.1°C, the volume of the balloon is-

1. 3.018 L

2. 5. 018 L

3. 2.018 L

4. 6.018 L

At 25°C and 760 mm of Hg pressure, a gas occupies 600 mL volume. Pressure at a height where the temperature is 10°C and volume of the gas is 640 mL will be-

1. 686.6 mmHg

2. 676.6 mmHg

3. 647.6 mmHg

4. 636.6 mmHg

A neon-dioxygen mixture contains 70.6 g dioxygen and 167.5 g neon. If the pressure of the mixture of gases in the cylinder is 25 bar. The partial pressure of dioxygen and neon in the mixture are respectively-

1. 5.25 bar; 19.75 bar

2. 19.75 bar; 5.25 bar

3. 4.75 bar; 4.75 bar

4. 10.34 bar; 20.25 bar

Gases possess characteristic critical temperature which depends upon the magnitude of intermolecular forces between the gas particles. Critical temperatures of ammonia and carbon dioxide are 405.5 K and 304.10 K respectively. The gas liquify first when cooling start from 500 K to their critical temperature, is-

1. Ammonia

2. Carbon dioxide

3. Both liquify at same time

4. Cannot predict