Atomic StructureElectronic Configuration of d-Block Elements1336Choose the best answerWhich electronic configuration belongs to a Group 12 d-block element?A[Ar]³d¹⁰4s²4p⁶B[Ar]³d¹⁰4s²4p¹C[Ar]³d¹⁰4s²D[Ar]⁴s² Like 0 Discuss 0Share
StoichiometryLimiting Reagent1337Choose the best answer100 g NH₄Cl and 100 g Ca(OH)₂ are heated: 2NH₄Cl + Ca(OH)₂ → CaCl₂ + 2NH₃ + 2H₂O Which is the limiting reagent?ANH₄ClBCa(OH)₂CNH₃DH₂O Like 0 Discuss 0Share
Alcohols and PhenolsPreparation of Phenol from Diazonium Salt1338Choose the best answerPhenol is obtained by heating an aqueous solution of:AAnilineBBenzene diazonium chlorideCBenzoic acidDBenzene Like 0 Discuss 0Share
Atomic StructurePositive Rays and Specific Charge1339Choose the best answerAssuming singly charged molecular ions, which gas produces positive rays with the smallest |q|/m ratio?AO₂BN₂CCH₄DCO Like 0 Discuss 0Share
Industrial chemistry Industrial chemistry MCQS#Enzymes#Macromolecules1340Choose the best answerWhich order correctly shows the steps of enzyme action?AEnzyme → Product → Substrate → ComplexBEnzyme + substrate → Enzyme-substrate complex → ProductCSubstrate → Enzyme → Product → ComplexDEnzyme + product → Complex → Substrate Like 0 Discuss 0Share