StoichiometryMolecular Mass736Choose the best answerThe mass of one H₂O molecule is approximately:A18 uB18 g mol⁻¹C18 mgD18 × 10⁻³ kg mol⁻¹ Like 0 Discuss 0Share
Chemistry of HydrocarbonsKolbe's Electrolysis737Choose the best answerDuring Kolbe's electrolysis of a carboxylate salt, the gaseous product released at the anode is:AH₂BCO₂CO₂DCH₄ Like 0 Discuss 0Share
Chemical EquilibriumActive Mass and Reaction Rate738Choose the best answerUnder the same experimental conditions, increasing reactant concentration generally:ADecreases reaction rateBIncreases reaction rateCHas no effect on reaction rateDStops the reaction Like 0 Discuss 0Share
Chemical BondingMolecular Geometry and VSEPR Theory739Choose the best answerThe molecular shape of H₃O⁺ is:APlanarBSee-sawCTrigonal planarDTrigonal pyramidal Like 0 Discuss 0Share
Chemical BondingSigma Bonds740Choose the best answerThe total number of electrons present in σ bonds of ethene, C₂H₄, is:A5B10C4D8 Like 0 Discuss 0Share