MDCAT Chemistry Past Paper 2023#Isomerism#Structural Isomerism31Choose the best answerWhich of the following are the three Isomers of Pentane? (MDCAT 2023)An-Pentane, 2-methylbutane, 2,2-dimethylpropaneBn-Pentane, 2-methylbutane, 2,2-dimethylbutaneCn-Pentane, 3-methylbutane, 2,2-dimethylpentaneDn-Pentane, 2-methylpentane, 2,2-dimethylpropane Like 1 Discuss 0Share
XIIMDCAT Chemistry Test#Isomerism#Optical Isomerism32Choose the best answerWhy can an SN₁ reaction produce a racemic mixture?AAn empty p-orbital in the carbocationBAn empty s-orbital in the carbocationCAn empty sp² orbital in the carbocationDAn empty sp³ orbital in the carbocation Like 0 Discuss 0Share
Classification of Hydrocarbons and IsomerismClassification of hydrocarbons, structural & geometrical isomerism#Isomerism#Structural Isomerism33Choose the best answerEthanoic acid and methyl methanoate show which type of isomerism?AFunctional isomerismBChain isomerismCPosition isomerismDMetamerism Like 0 Discuss 0Share
Classification of Hydrocarbons and IsomerismClassification of hydrocarbons, structural & geometrical isomerism#Chain Isomerism#Isomerism34Choose the best answerWhat is the minimum number of carbon atoms an alkane needs to show chain isomerism?A3B4C5D6 Like 0 Discuss 0Share
Sindh MDCAT 2020 Chemistry#Geometrical Isomerism#Isomerism35Choose the best answerWhich pair represents geometrical isomers of 1,2-dimethylcyclopropane? (Sindh MDCAT 2020)Acis-1,2-Dimethylcyclopropane and trans-1,2-DimethylcyclopropaneBCyclopropane and propeneC1,1-Dimethylcyclopropane and cyclopropaneDMethylcyclopropane and butane Like 0 Discuss 0Share1