MDCAT Chemistry Paper 2025#Electronegativity#Periodic Trends1316Choose the best answerValue of electronegativity of atoms A and B are 1.20 and 4.0 respectively, the percent ionic character will be: (IBA MDCAT 2025)A43%B50%C55%D73% Like 0 Discuss 0Share
Chemical BondingBond Angle1317Choose the best answerThe H–S–H bond angle in H₂S is approximately:A90°B104.5°C92°D120° Like 0 Discuss 0Share
Stoichiometry 11#Physical and Chemical Changes1318Choose the best answerWhich option represents a chemical change?ATwinkling of starsBCooking of vegetablesCCutting of fruitsDBoiling of water Like 0 Discuss 0Share
Sindh MDCAT 2021 Chemistry#Halogens#S- and P-Block Elements1319Choose the best answerThe valence shell electronic configuration of Halogen family is:Ans¹Bns², np⁶Cns², (n-1)d⁵Dns², np⁵ Like 0 Discuss 0Share
Aldehydes and KetonesReactivity Toward Nucleophilic Addition1320Choose the best answerThe correct decreasing order of reactivity toward nucleophilic addition is:AMethanal > Ethanal > Propanal > PropanoneBEthanal > Methanal > Propanal > PropanoneCMethanal > Propanone > Ethanal > PropanalDPropanone > Propanal > Ethanal > Methanal Like 0 Discuss 0Share