Alcohols and PhenolsReducing Agents for Carbonyl Compounds2591Choose the best answerWhich reagent readily reduces aldehydes and ketones but is generally too mild to reduce esters and carboxylic acids?ALiAlH₄BNaBH₄CH₂SO₄DPCl₅ Like 0 Discuss 0Share
StoichiometryMole Concept and Number of Atoms2592Choose the best answerThe number of hydrogen atoms in 45 g glucose, C₆H₁₂O₆, is:A6.02 × 10²³B18 × 10²⁴C1.8 × 10²⁴D1.8 × 10²² Like 0 Discuss 0Share
BasicsStoichiometry #Mole Concept2593Choose the best answerA sample contains 1.204 × 10²⁴ CO₂ molecules. How many moles of CO₂ are present?A0.5 molB1.0 molC2.0 molD4.0 mol Like 0 Discuss 0Share
SolidsPolymorphism2594Choose the best answerCalcite and aragonite are different crystalline forms of CaCO₃. This is an example of:APolymorphismBIsomorphismCAnisotropyDTransition only Like 0 Discuss 0Share
ElectrochemistryRules and Exceptions of Oxidation Number2595Choose the best answerThe oxidation states of oxygen in OF₂ and H₂O₂ are respectively:A−2, −1B+2, −1C−1, +2D+2, +1 Like 0 Discuss 0Share