StoichiometryMolar Volume at STP726Choose the best answerWhat volume is occupied by 0.5 mol of an ideal gas at STP (273 K and 1 atm)?A22400 cm³B11200 cm³C22.4 mLDNone of these Like 0 Discuss 0Share
UHS MDCAT 2025 Chemistryuhs mdcat chemistry 2025#Chemical Bonding#Molecular Geometry727Choose the best answerMolecules having one lone pair and three bond pairs have geometrical shape:ABent or angularBTrigonalCTrigonal pyramidalDTrigonal planar Like 1 Discuss 0Share
Chemical KineticsEffect of Concentration on Reaction Rate728Choose the best answerThe _____ the concentration of reactants, the _____ the probability of collisions and hence the _____ the reaction rate.ALower, greater, greaterBHigher, greater, higherCHigher, lower, higherDLower, lower, higher Like 0 Discuss 0Share
MDCAT Chemistry Past Paper 2023#Alcohols#Alcohols and Phenols729Choose the best answerWhich of the following is formed when excess ethyl alcohol is treated with concentrated H₂SO₄ at a low temperature? (MDCAT 2023)ADiethyl etherBDimethyl etherCEtheneDAcetylene Like 0 Discuss 0Share
Nomenclature of Organic CompoundsNomenclature of Organic Compounds MCQs#Chemical Bonding#Sigma and Pi Bonds730Choose the best answerHow many σ and π bonds are present in CH₂=CH–C≡CH, respectively?A7σ, 3πB5σ, 2πC8σ, 3πD6σ, 2π Like 0 Discuss 0Share