Chemistry of HydrocarbonsStructure of Benzene1056Choose the best answerWhich statement about benzene is correct?AIts molecular formula is C₆H₆.BEach carbon atom is sp² hybridized.CAll six C–C bonds are equivalent in length.DAll of these Like 2 Discuss 0Share
Atomic StructureKinetic and Total Energy in Bohr Orbit1057Choose the best answerFor an electron in a Bohr orbit, the ratio of kinetic energy to total energy is:A2 : 1B1 : 1C1 : −1D1 : 2 Like 0 Discuss 0Share
Atomic StructureShapes of d-Orbitals1058Choose the best answerWhich d-orbital contains two major lobes along the z-axis and a toroidal ring around the nucleus?AdxyBdxzCdx²−y²Ddz² Like 0 Discuss 0Share
Industrial chemistry Industrial chemistry MCQS#Macromolecules#Proteins1059Choose the best answerWhat distinguishes a conjugated protein from a simple protein?AIt contains only amino acidsBIt contains a non-protein prosthetic groupCIt cannot undergo hydrolysisDIt contains no peptide bonds Like 0 Discuss 0Share
Chemical kinetics #Catalytic Properties#Transition Elements1060Choose the best answerWhy does a catalyst increase the rate of a chemical reaction?AIncreases the kinetic energy of reactant molecules.BDecreases the activation energy by providing an alternative pathway.CIncreases the enthalpy change (ΔH) of the reaction.DIncreases the equilibrium constant. Like 0 Discuss 0Share