StoichiometryMolar Volume at STP2156Choose the best answerThe molar volume of an ideal gas at STP (273 K and 1 atm) is approximately:A1 L mol⁻¹B22.4 L mol⁻¹C273 L mol⁻¹D760 L mol⁻¹ Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Quantum Numbers2157Choose the best answerThe L shell corresponds to which principal quantum number?An = 1Bn = 2Cn = 3Dn = 4 Like 0 Discuss 0Share
Sindh MDCAT 2021 Chemistry#Ores and Metallurgy#Transition Elements2158Choose the best answerThe formula of chromite ore is:ACr₂Cl₂BK₂Cr₂O₃CFeO.Cr₂O₃DK₂CrO₃ Like 0 Discuss 0Share
LiquidsVapour Pressure of Water2159Choose the best answerThe equilibrium vapour pressure of water at 100°C at sea level is approximately:A260 mmHgB760 mmHgC1074 mmHgD1489 mmHg Like 0 Discuss 0Share
Chemical kinetics #Molecularity2160Choose the best answerWhich statement correctly describes molecularity?AIt can be zeroBIt may be fractionalCIt is defined only for an elementary reactionDIt is obtained from the overall rate law Like 0 Discuss 0Share