Chemical equilibrium 01Chemical equilibrium #Kc841Choose the best answerThe graph shows forward rate (Rf) and reverse rate (Rr) versus time for a reversible reaction. Which statement is correct?ABefore tₑ, Qc = KcBAt tₑ, Qc < KcCAfter tₑ, Qc = Kc and the system is at equilibriumDAfter tₑ, forward rate is greater than reverse rate Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryCoke and Its Uses842Choose the best answerWhich product of destructive distillation of coal is used in a blast furnace as a fuel and reducing material?ACoal gasBCokeCCoal tarDAmmoniacal liquor Like 0 Discuss 0Share
MDCAT Chemistry Past Papers Reconduct 2023#Fundamental Principles of Organic Chemistry#Oxonium Ion843Choose the best answerA positively charged oxygen ion bound with other atoms or groups of atoms is known as: (MDCAT Reconduct 2023)AOxygen cationBOxide ionCOxygen radicalDOxonium ion Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Electronic Configuration844Choose the best answerAccording to the n + ℓ rule, which orbital is filled first?A3dB4sCBoth are filled simultaneouslyDTheir order cannot be predicted Like 1 Discuss 0Share
Alcohols and PhenolsLucas Test845Choose the best answerLucas reagent is a mixture of:AConcentrated HCl + anhydrous ZnCl₂BDilute HCl + ZnCl₂CConcentrated H₂SO₄ + ZnCl₂DHBr + FeBr₃ Like 0 Discuss 0Share