Gasesvan der Waals Constant a126Choose the best answerAmong H₂, He, Cl₂ and SO₂, which gas is expected to have the largest van der Waals constant a?ASO₂BHeCH₂DN₂ Like 0 Discuss 0Share
SINDH MDCAT 2019 CHEMISTRY#Alkyl Halides#Nucleophiles127Choose the best answerWhich one of the following is NOT a nucleophile? (Sindh MDCAT 2019)AH₂SBBF₃CNH₃DCN⁻ Like 0 Discuss 0Share
Sindh MDCAT 2021 Chemistry#Periodic Table#Periodic Trends128Choose the best answerThe element which is present in group IV–A and 3rd period, its atomic number is:A15B14C13D6 Like 0 Discuss 0Share
Chemical BondingIonic Bond Formation129Choose the best answerAn ionic bond is produced after transfer of:ANucleiBElectronsCNeutronsDProtons Like 0 Discuss 0Share
Chemistry of HydrocarbonsNitration of Benzene130Choose the best answerWhich reagent mixture is used for nitration of benzene?AConcentrated HNO₃ + concentrated H₂SO₄BHCl + HNO₃CH₂SO₄ + HClDHNO₃ + NaOH Like 0 Discuss 0Share