LiquidsIntermolecular Forces and Melting Point846Choose the best answerWater has a higher melting point than petrol mainly because water has:AWeaker intermolecular forcesBStronger intermolecular forcesCNo intermolecular forcesDLower molecular attraction Like 0 Discuss 0Share
ElectrochemistryAnode and Cathode Reactions847Choose the best answerThe cathodic process during electrolysis of dilute H₂SO₄ using Pt electrodes is:AReductionBBoth oxidation and reductionCOxidationDNeither oxidation nor reduction Like 0 Discuss 0Share
SINDH MDCAT 2018 Chemistry#Fundamental Principles of Organic Chemistry#Nitriles848Choose the best answerThe number of bonds between carbon and nitrogen atoms in a nitrile is: (Sindh MDCAT 2018)AOne σ and one πBTwo σ and one πCOnly one σDOne σ and two π Like 0 Discuss 0Share
LiquidsIntermolecular Forces849Choose the best answerWhich statement is incorrect?AGraphite layers are held together by weak van der Waals forcesBGreater polarizability generally strengthens London forcesCBoiling points of noble gases generally increase down the groupDThe unusually high boiling point of water is mainly due to ordinary London forces Like 0 Discuss 0Share
Chemical BondingBond Energy850Choose the best answerWhich statement about bond energy is correct?ASi–Si is stronger than C–CBN–N single bond is stronger than N≡NCN≡N has much greater bond energy than F–FDF–F has greater bond energy than N≡N Like 0 Discuss 0Share