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-
( )
1. 3.90 atm
2. 4.92 atm
3. 6.02 atm
4. 2.96 atm
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe correct relation between density () and pressure of gas (P) is-
1.
2.
3.
4. None of the above
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe 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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe temperature of 4.0 mole of a gas occupying 5 dm3 at 3.32 bar is -
(R = 0.083 bar dm3 K–1 mol–1).
1. 40 K
2. 30 K
3. 20 K
4. 50 K
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology7.0 g of gas occupies 5.6 L of volume at STP. The gas is-
1. NO
2.
3. CO
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyFlask X is filled with 20 g of gas at 100 °C and another identical flask Y with 40 g gas at the same temperature. The correct statement among the following is –
1. The pressure of the gases in the two flasks is identical
2. The pressure of in flask X is higher than that of in flask Y
3. The pressure of in flask X is lower than that of in flask Y
4. The pressure of in flask X is half that of in flask Y
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology2.9 g of a gas at 95°C occupies the same volume as 0.184 g of dihydrogen at 17°C, at the same pressure. The molar mass of the gas is -
1. 20 g mol-1
2. 40 g mol-1
3. 34 g mol-1
4. 14 g mol-1
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe volume occupied by 1.8 g of water vapour at 374 and 1 bar pressure will be -
[Use R=0.083 bar ]
1. 96.66 L
2. 55.87 L
3. 3.10 L
4. 5.31 L
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyTwo flasks of equal volume are connected by a narrow tube (of negligible volume) at 27ºC and contain 0.70 mole of at 0.5 atm. One of the flasks is then immersed in a hot bath, kept at 127 ºC, while the other remains at 27 ºC. The final pressure is -
1. 5.714 atm
2. 0.5714 atm
3. 2.5214 atm
4. 5.5114 atm
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe volume occupied by 8.8 g of CO2 at 31.1°C and 1 bar pressure is:
(R = 0.083 bar L K–1 mol–1)
1. 4.05 L
2. 3.05 L
3. 6.05 L
4. 5.05 L
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology