Chemical EquilibriumEffect of Temperature and Pressure on Equilibrium486Choose the best answerFor H₂X₂(g) + heat ⇌ 2HX(g), formation of HX is favoured by:AHigh pressure and low temperatureBHigh temperature and low pressureCLow temperature and low pressureDHigh temperature and high pressure Like 0 Discuss 0Share
MDCAT Chemistry Past PapersIBA MDCAT Chemistry Paper Reconduct 2024#Carboxylation of Grignard Reagents#Carboxylic Acids487Choose the best answerGrignard reagent reacts with CO₂ to form: (IBA MDCAT Reconduct 2024)AEsterBAlkaneCCarboxylic acidDKetone Like 0 Discuss 0Share
Industrial ChemistryBakelite488Choose the best answerPhenol and formaldehyde undergo condensation polymerization to form:APVCBBakeliteCNylon-6,6DTerylene Like 0 Discuss 0Share
StoichiometryMole Concept and Specified Particles489Choose the best answerWhich sample contains exactly 1 mol of the stated particles?ACl₂ molecules in 35.5 g Cl₂BElectrons in 1.008 g H₂CH⁺ ions in 1 dm³ of 1 mol dm⁻³ H₂SO₄DO atoms in 22.4 dm³ O₂ at STP Like 0 Discuss 0Share
StoichiometryPercentage Composition and Molecular Mass490Choose the best answerA compound contains two carbon atoms per molecule and is 40% carbon by mass. Its molecular mass may be:A40 uB60 uC80 uD90 u Like 0 Discuss 0Share