Gasesvan der Waals Constant a51Choose the best answerThe van der Waals constant a for O₂, N₂, NH₃ and CH₄ is given as 1.360, 1.390, 1.370 and 1.350, respectively. Based only on these values, which gas has the strongest intermolecular attraction?AO₂BN₂CNH₃DCH₄ Like 0 Discuss 0Share
BUMHS MDCAT 2025 Chemistry#Gases#Intermolecular Forces in Gases52Choose the best answerIf intermolecular forces between gas molecules disappear suddenly, which of the following would happen? (BUMHS MDCAT 2025)Apressure decreasesBpressure increasesCgas collapsesDpressure remain unchanged Like 1 Discuss 0Share
GasesCharles's Law53Choose the best answerCharles's law mainly describes:AChange of gas volume with pressure at constant temperatureBChange of gas volume with temperature at constant pressureCChange of pressure with number of molesDChange of molar mass with temperature Like 0 Discuss 0Share
GasesCompressibility Factor and Negative Deviation54Choose the best answerNegative deviation from ideal behaviour, Z < 1, occurs mainly because of:ARepulsive forcesBAttractive forces between moleculesCZero molecular volumeDComplete absence of intermolecular forces Like 0 Discuss 0Share
GasesCritical Temperature and Liquefaction55Choose the best answerArgon has a critical temperature of 157 K. Which temperature is below its critical temperature?A160 KB170 KC200 KD155 K Like 0 Discuss 0Share