Chemical BondingSigma and Pi Bonds2961Choose the best answerThe N₂ molecule contains:AOne σ and one π bondBThree σ bondsCOne σ and two π bondsDTwo σ and one π bond Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryNomenclature of Carboxylic Acids2962Choose the best answerThe IUPAC name of succinic acid is:AButanedioic acidBPentanedioic acidCHexanedioic acidDEthanedioic acid Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Hydrogen Spectrum2963Choose the best answerIn which regions of the electromagnetic spectrum do hydrogen spectral lines occur?AUltraviolet, visible and infrared regionsBX-ray and γ-ray regions onlyCMicrowave region onlyDRadio-wave region only Like 0 Discuss 0Share
Chemistry of HydrocarbonsFriedel–Crafts Alkylation2964Choose the best answerThe electrophile in Friedel–Crafts alkylation is represented as:AR⁺BCl⁻COH⁻DH⁺ Like 1 Discuss 0Share
SINDH MDCAT 2018 Chemistry#Chemical Kinetics#Rate Law2965Choose the best answerThe rate of a chemical reaction is directly proportional to the product of active masses of the reactants, it is referred to as: (Sindh MDCAT 2018)ALaw of conservation of energyBLaw of mass actionCLaw of conservation of massDActive mass law Like 0 Discuss 0Share