Alkyl HalidesGrignard Reagents3306Choose the best answerGrignard reagents are represented by the general formula:AR–MgXBR–XCR–LiDR–Na Like 0 Discuss 0Share
SINDH MDCAT 2018 Chemistry#Diagonal Relationship#S- and P-Block Elements3307Choose the best answerLithium and beryllium are unique in such a way that they have higher charge densities which produce strong polarizing effects due to: (Sindh MDCAT 2018)ANonmetalBSolubilityCSmall sizeDLarge size Like 1 Discuss 0Share
GasesKinetic Molecular Theory and Absolute Zero3308Choose the best answerAccording to the classical Kinetic Molecular Theory, absolute zero represents the temperature at which:AMolecular speed is maximumBPressure must always equal 1 atmCTranslational molecular motion theoretically reaches zeroDMolecular mass becomes zero Like 0 Discuss 0Share
Chemistry of HydrocarbonsWolff–Kishner Reduction3309Choose the best answerWolff–Kishner reduction is carried out using:AZn(Hg)/HClBNH₂NH₂/KOH and heatCH₂/NiDNa/dry ether Like 1 Discuss 0Share
Chemical BondingHybridization and Percentage Character3310Choose the best answerIn sp² hybridization, the percentage contributions of s and p character are approximately:A33.3% s and 66.7% pB30% s and 70% pC40% s and 60% pD25% s and 75% p Like 0 Discuss 0Share