StoichiometryMass–Mass Stoichiometry1951Choose the best answerH₂ burns in chlorine according to: H₂ + Cl₂ → 2HCl What mass of Cl₂ is required to react completely with 4 g H₂?A35.5 gB71 gC142 gD71.5 g Like 0 Discuss 0Share
Chemical EquilibriumEffect of Pressure on Equilibrium1952Choose the best answerWhich equilibrium shifts to the right when total pressure is increased?AN₂(g) + 3H₂(g) ⇌ 2NH₃(g)BH₂(g) + I₂(g) ⇌ 2HI(g)CH₂(g) + Cl₂(g) ⇌ 2HCl(g)DN₂O₄(g) ⇌ 2NO₂(g) Like 0 Discuss 0Share
Atomic StructureAufbau Principle and Orbital Energy1953Choose the best answerThe correct order of increasing orbital energy is:A4s < 4p < 3dB4p < 4s < 3dC4s < 3d < 4pD4p < 3d < 4s Like 0 Discuss 0Share
Alkyl HalidesGrignard Reaction with Esters1954Choose the best answerMethyl formate reacts with excess CH₃MgBr followed by acidic hydrolysis to give:AEthanolBPropan-2-olCtert-Butyl alcoholDMethanol Like 0 Discuss 0Share
GasesGas Density1955Choose the best answerUnder which condition is the density of O₂ greatest?A273 K and 1 atmB273 K and 2 atmC546 K and 1 atmD546 K and 2 atm Like 0 Discuss 0Share