Chemistry of HydrocarbonsSulphonation of Benzene976Choose the best answerThe electrophilic species used in sulphonation of benzene is:ASO₂BSO₃CSO₄²⁻DHSO₃⁻ Like 1 Discuss 0Share
Sindh MDCAT 2022 Chemistry#Chemical Bonding#Dipole Moment977Choose the best answerQ.76 The dipolar moment of CO₂ is zero because it is:AAngularBLinearCTriatomicDPyramidal Like 0 Discuss 0Share
StoichiometryMass–Volume Relationship978Choose the best answerWhat volume is occupied by 4.4 g CO₂ at STP (273 K and 1 atm)?A22.4 cm³B224 cm³C2240 cm³D22400 cm³ Like 0 Discuss 0Share
Chemical KineticsUnits of Rate Constant and Reaction Order979Choose the best answerThe rate constant has units s⁻¹. What is the order of the reaction?AZeroBFirstCSecondDFractional Like 0 Discuss 0Share
Alkyl HalidesReactivity of Alkyl Halides980Choose the best answerThe increasing order of reactivity of methyl halides toward nucleophilic substitution is:ACH₃I < CH₃Br < CH₃Cl < CH₃FBCH₃F < CH₃Cl < CH₃Br < CH₃ICCH₃Br < CH₃Cl < CH₃I < CH₃FDCH₃Cl < CH₃F < CH₃I < CH₃Br Like 1 Discuss 0Share