Chemistry of HydrocarbonsDirective Influence of Substituents1296Choose the best answerWhich is the strongest ortho-para directing group among the following?A–OHB–ClC–C₆H₅D–Br Like 0 Discuss 0Share
GasesUniversal Gas Constant1297Choose the best answerThe value of the universal gas constant R is 0.0821 in which units?AJ mol⁻¹ K⁻¹Batm·dm³·mol⁻¹·K⁻¹Ccal mol⁻¹ K⁻¹DPa·m³ only Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryNomenclature of Alkyl Groups1298Choose the best answerThe IUPAC name of the neopentyl group is:A2-MethylpropylB2,2-DimethylpropylC1,1-DimethylethylDPentan-2-yl Like 0 Discuss 0Share
Fundamental Concepts of ChemistryTemperature Scale Conversion1299Choose the best answerConvert 70°C into kelvin:A283 KB300 KC343 KD350 K Like 0 Discuss 0Share
Sindh MDCAT 2020 Chemistry#Nomenclature of Organic Compounds#Organic Nomenclature1300Choose the best answerThe following has IUPAC name of: (Sindh MDCAT 2020) CH₃ CH₃ | | CH₃ - C -- C - CH₃ | | CH₃ CH₃A2,2,3,3-TetramethylbutaneB2,2,3,3-TetramethylpentaneC3,3,4,4-TetramethylbutaneD3,4-Bis(dimethyl butane) Like 0 Discuss 0Share