Sindh MDCAT 2020 Chemistry#Chemical Bonding#Hybridization176Choose the best answerWhich of the following hybrid orbitals has maximum 's'-character? (Sindh MDCAT 2020)Asp³-hybrid orbitalBsp²-hybrid orbitalCsp-hybrid orbitalDdsp²-hybrid orbital Like 0 Discuss 0Share
Sindh MDCAT 2022 Chemistry#Alcohols#Alcohols and Phenols177Choose the best answerAlkyl halide on reaction with aqueous NaOH gives an alcohol. The mechanism is: (Sindh MDCAT 2022)ASNBEliminationCDecompositionDElectrophilic substitution reaction Like 0 Discuss 0Share
SINDH MDCAT 2019 CHEMISTRY#Gases#Ideal Gas Equation178Choose the best answerThe value of R (the gas constant) is: (Sindh MDCAT 2019)A0.0821 dm³ atm K mole⁻¹B803143 Nm K⁻¹ moleC0.0821 dm³ atm K⁻¹ mole⁻¹D8.3143 dm³ atm K⁻¹ mole⁻¹ Like 0 Discuss 0Share
XIIMDCAT Chemistry Test#Alcohols and Phenols#Phenols179Choose the best answerWhich type of substituent increases the acidic strength of phenol?AElectron-donating groupBLewis baseCNucleophileDElectron-withdrawing group Like 0 Discuss 0Share
Sindh MDCAT 2020 Chemistry#Chemical Kinetics#Rate Constant180Choose the best answerThe unit of the rate constant is the same as that of the rate of reaction in: (Sindh MDCAT 2020)AZero order reactionBFirst order reactionCSecond order reactionDThird order reaction Like 0 Discuss 0Share