Atomic StructureIsobars71Choose the best answerWhich of the following is an isobaric pair?A¹³₆C and ¹³₇NB¹³₆C and ¹⁴₇NC¹⁴₇N and ¹⁵₈OD¹³₇N and ¹⁵₈O Like 0 Discuss 0Share
Alkyl HalidesSolvent Effect on SN2 Reaction72Choose the best answerPolar aprotic solvents favor SN₂ reactions because they:AStrongly stabilize carbocations.BStrongly hydrogen-bond to anionic nucleophiles.CSolvate anionic nucleophiles relatively weakly, increasing their reactivity.DConvert nucleophiles into leaving groups. Like 0 Discuss 0Share
MDCAT Chemistry Past Papers 2024Sindh MDCAT Chemistry Past Paper 2024#Crystalline and Amorphous Solids#Solids73Choose the best answerIt is an example of a crystalline solid:APlasticsBCharcoalCGlassDAlum Like 0 Discuss 0Share
Nomenclature of Organic CompoundsNomenclature of Organic Compounds MCQs#Fatty Acids74Choose the best answerHexadecanoic acid is commonly known as:AStearic acidBPalmitic acidCOleic acidDLauric acid Like 1 Discuss 0Share
Atomic StructureAtomic Number75Choose the best answerWhich property of an element is always a whole number?ARelative atomic massBMolar volumeCEquivalent massDAtomic number Like 0 Discuss 0Share