GasesPostulates of Kinetic Molecular Theory151Choose the best answerWhich statement is NOT a postulate of the Kinetic Molecular Theory of an ideal gas?AGas molecules are widely separated and have negligible volumeBGas molecules are in continuous random motionCIntermolecular attractions and repulsions are negligibleDGas molecules have definite volume and shape Like 0 Discuss 0Share
MDCAT Chemistry Past PapersIBA MDCAT Chemistry Paper Reconduct 2024#Gases#Mean Free Path152Choose the best answerThe average distance covered by the gas molecule between successive collisions is known as: (IBA MDCAT Reconduct 2024)AFree pathBMean free pathCTotal free pathDTotal path Like 0 Discuss 0Share
GasesIsothermal Expansion153Choose the best answerDuring isothermal expansion of a fixed amount of an ideal gas: (1) Pressure decreases. (2) Average kinetic energy remains constant. (3) Average kinetic energy decreases. (4) Number of molecules increases.A(1) and (2)B(1), (2) and (4)C(1), (2) and (3)D(2) and (3) Like 0 Discuss 0Share
GasesGas Density154Choose the best answerThe density of an ideal gas is maximum under:ALow temperature and high pressureBHigh temperature and low pressureCHigh temperature and high pressureDLow temperature and low pressure Like 0 Discuss 0Share
GasesCharles's Law155Choose the best answerAt constant pressure, if the Kelvin temperature of a fixed amount of gas is doubled, its volume:ARemains unchangedBBecomes halfCDoublesDBecomes four times Like 0 Discuss 0Share