Sindh MDCAT 2020 Chemistry#Aldehydes and Ketones#Carbonyl Compounds106Choose the best answerSecondary alcohol is the product of reduction of which carbonyl compound? (Sindh MDCAT 2020)ACH₃CHOBCH₃COCH₃CHCHODCH₃CH₂CHO Like 0 Discuss 0Share
XiMDCAT XI Complete Chemistry Grand Test#Chemical Equilibrium#Kc107Choose the best answerFor which equilibrium is Kc dimensionless?AC(s) + H₂O(g) ⇌ CO(g) + H₂(g)BCH₃OH(l) + CH₃CO₂H(l) ⇌ CH₃CO₂CH₃(l) + H₂O(l)CCu²⁺(aq) + 4NH₃(aq) ⇌ Cu(NH₃)₄²⁺(aq)DN₂O₄(g) ⇌ 2NO₂(g) Like 0 Discuss 0Share
Sindh MDCAT 2022 Chemistry#Ionization Energy#Periodic Trends108Choose the best answerQ.104 The ionization energy increases along a period in periodic table due to increase in:ANo. of positronBNo. of neutronCNuclear chargeDNo. of electron Like 0 Discuss 0Share
SINDH MDCAT 2019 CHEMISTRY#Chemical Kinetics#Rate Law109Choose 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
MDCAT Chemistry Past Paper 2023#Enzymes#Macromolecules110Choose the best answerEnzymes show optimum activity between 37°C to 50°C. However, they work: (MDCAT 2023)AAbove 50°CBBelow 37°CCThey lose activity permanently above 50°CDThey lose activity permanently below 37°C Like 0 Discuss 0Share