ElectrochemistryAnode and Cathode Reactions866Choose 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#Nitriles867Choose 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 Forces868Choose 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 Energy869Choose 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
MDCAT Chemistry Past Paper 2023#Atomic Structure#Isoelectronic Species870Choose the best answerWhich of the following is different in Na⁺ (Z = 11), Mg²⁺ (Z = 12) and Al³⁺ (Z = 13)? (MDCAT 2023)ANumber of shellsBNumber of electronsCElectronic configurationDNumber of protons Like 0 Discuss 0Share