Chemistry of HydrocarbonsPhysical Properties of Alkanes1006Choose the best answerCompared with its straight-chain isomer, a more highly branched alkane generally has a:AHigher boiling pointBLower boiling pointCIdentical boiling pointDBoiling point independent of molecular shape Like 2 Discuss 0Share
Atomic StructureAufbau Principle and n + ℓ Rule1007Choose the best answerThe subshells 4f, 5d, 6p and 7s all have the same (n + ℓ) value. Which is filled first?A4fB6pC5dD7s Like 0 Discuss 0Share
MDCAT Chemistry Past Papers 2024Sindh MDCAT Chemistry Past Paper 2024#S- and P-Block Elements#Sulfuric Acid1008Choose the best answerOil of Vitriol refers to:ACaustic sodaBAlumCBoraxDSulfuric acid Like 0 Discuss 0Share
Aldehydes and KetonesReactivity Toward Nucleophilic Addition1009Choose the best answerThe correct increasing order of reactivity toward nucleophilic addition is:AButanone < Propanone < Propanal < EthanalBButanone > Propanone > Propanal > EthanalCButanone < Propanal < Propanone < EthanalDPropanal < Propanone < Ethanal < Butanone Like 0 Discuss 0Share
Fundamental Concepts of ChemistryChemical Changes1010Choose the best answerA chemical change results in:ALoss of matterBFormation of a solution onlyCChange of physical state onlyDFormation of one or more new substances Like 0 Discuss 0Share