KMU MDCAT 2024 Chemistry#Mole Concept#Stoichiometry1276Choose the best answerHow many moles are there in 80g of sodium hydroxide (NaOH)? (KMU MDCAT 2024)A1.5B2C2.5D4 Like 0 Discuss 0Share
ElectrochemistryStandard Hydrogen Electrode1277Choose the best answerThe standard electrode potential of the standard hydrogen electrode at 298 K is:A+1.00 VB+0.10 VC0.00 VD+10.0 V Like 0 Discuss 0Share
Chemical kinetics #Rate Constant1278Choose the best answerWhich statement about the rate constant, k, is correct?AIt is independent of temperature.BIt depends only on the initial concentration of reactants.CIts value changes with temperature but not with reactant concentration.DIt is equal to the reaction rate. Like 0 Discuss 0Share
SINDH MDCAT 2019 CHEMISTRY#Electrochemistry#Standard Hydrogen Electrode1279Choose the best answerThe oxidation potential standard hydrogen electrode is arbitrarily taken as: (Sindh MDCAT 2019)A-0.76 voltsB0.00 voltsC+1.5 voltsD1.0 volts Like 0 Discuss 0Share
Aldehydes and KetonesPreparation from Calcium Salts of Carboxylic Acids1280Choose the best answerWhich combination is correctly matched?ACalcium formate → Methanal; Calcium acetate → Propanone; Calcium formate + calcium acetate → EthanalBCalcium formate → Propanone; Calcium acetate → Ethanal; Calcium formate + calcium acetate → MethanalCCalcium formate → Methanal; Calcium acetate → Ethanal; Calcium formate + calcium acetate → PropanoneDCalcium formate → Ethanal; Calcium acetate → Propanone; Calcium formate + calcium acetate → Methanal Like 0 Discuss 0Share