XIIMDCAT Chemistry Test#Chemical Kinetics#Order of Reaction16Choose the best answerConsider the following rate-law statements: I. SN₁ → Rate = k[R–X] II. SN₂ → Rate = k[R–X][Nu⁻] III. SN₁ → Second order IV. SN₂ → First order Which statements are correct?AI and II onlyBII and III onlyCI, II and IV onlyDI, II, III and IV Like 0 Discuss 0Share
Sindh MDCAT 2021 Chemistry#Alkanes#Chemistry of Hydrocarbons17Choose the best answerAlkanes are also called:AolefinsBparaffinsCproteinsDacetylene Like 0 Discuss 0Share
XIIMDCAT Chemistry Test#Alkenes#Chemistry of Hydrocarbons18Choose the best answerWhich reagent can distinguish a terminal alkyne from an alkene?ABromine waterBAcidified KMnO₄ solutionCConcentrated H₂SO₄DAmmoniacal AgNO₃ solution Like 0 Discuss 2Share
XiMDCAT XI Complete Chemistry Grand Test#Atomic Structure#Quantum Numbers19Choose the best answerFor n = 3, determine the number of subshells and total orbitals, respectively.A3 and 5B3 and 7C3 and 9D2 and 5 Like 0 Discuss 0Share
SINDH MDCAT 2019 CHEMISTRY#Electrochemistry#Standard Hydrogen Electrode20Choose 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