UHS MDCAT 2023 ChemistryUHS MDCAT 2023 Past Paper#Alkyl Halides#SN1 Reaction616Choose the best answerIn SN₁ reactions the correct order of reactivity of alkyl halide is? (UHS MDCAT 2023)APrimary > Secondary > TertiaryBTertiary > Secondary > PrimaryCSecondary > Primary > TertiaryDPrimary > Tertiary > Secondary Like 0 Discuss 0Share
GasesCombined Gas Law617Choose the best answerIf the absolute temperature of a fixed amount of gas is doubled and its pressure is reduced to half, its volume becomes:AUnchangedBOne-fourthCTwiceDFour times Like 0 Discuss 0Share
Chemistry of HydrocarbonsPhysical Properties of Alkanes618Choose 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
SolidsStructure of Ice619Choose the best answerThe ordinary crystalline structure of ice is mainly:ATrigonalBHexagonalCPentagonalDRhombic Like 0 Discuss 0Share
Stoichiometry Stoichiometry MCQS#Molecules and Compounds620Choose the best answerWhich statement about molecules and compounds is incorrect?AA molecule may contain atoms of the same element.BAn element can exist as molecules.CAll molecules are compounds.DA compound always contains more than one element. Like 0 Discuss 0Share