Industrial ChemistryChromophoric Groups631Choose the best answerWhich of the following is a chromophoric group?A–OHB–NH₂C–SO₃HD–N=N– Like 0 Discuss 0Share
SINDH MDCAT 2019 CHEMISTRY#Chemical Kinetics#Rate Law632Choose the best answerA catalyst increases the rate of reaction by: (Sindh MDCAT 2019)Adecreasing the activation energyBdecreasing the concentration of reactantsCdecreasing the temperatureDincreasing the temperature Like 0 Discuss 0Share
StoichiometryMole Concept633Choose the best answerWhich statement is incorrect?AMass of 1 mol Cl₂ = 35.5 gB1 mol H₂ contains 6.022 × 10²³ moleculesC23 g Na and 24 g Mg contain approximately equal numbers of atomsD1 mol ideal O₂ occupies about 22.4 dm³ at 273 K and 1 atm Like 0 Discuss 0Share
ElectrochemistryElectrochemical Series634Choose the best answerWhich species has the highest standard reduction potential among the following?AN₂BF₂CO₂DCl₂ Like 0 Discuss 0Share
LiquidsAnomalous Behaviour of Water635Choose the best answerThe water beneath the ice layer of a frozen lake is approximately:A0°CB−4°CC4°CD100°C Like 0 Discuss 0Share