UHS MDCAT 2024 Chemistry#Catalytic Properties#Transition Elements16Choose the best answerIn Friedel Craft acylation an acyl group is introduced in benzene ring in the presence of catalyst:AAlCl₃BH₂SO₄CSunlightDV₂O₅ Like 1 Discuss 0Share
SINDH MDCAT 2019 CHEMISTRY#Magnetic Properties#Transition Elements17Choose the best answerParamagnetic elements contain: (Sindh MDCAT 2019)AAll paired electronsBAll unpaired electronsCFew unpaired electronsDUnequal electrons and protons Like 0 Discuss 0Share
XIIMDCAT Chemistry Test#Magnetic Properties#Transition Elements18Choose the best answerWhich ion contains exactly one unpaired electron?AV²⁺BFe³⁺CMn²⁺DTi³⁺ Like 0 Discuss 0Share
Sindh MDCAT 2021 Chemistry#Coordination Chemistry#Transition Elements19Choose the best answerThe ligands which form ring structure with central atom is:AChelateBCo-ordination sphereCCyclic ligandDPolydentate ligand Like 0 Discuss 0Share
SZABMU MDCAT 2025 Chemistry#Catalytic Properties#Transition Elements20Choose the best answerAcetone reacts with water in presence of catalyst produces: (SZABMU MDCAT 2025)Apropan-2-olBpropan-1,2-diolCpropan-2,2-diolDpropanol Like 0 Discuss 0Share