Alcohols and PhenolsGrignard Reagents and Alcohol Formation1241Choose the best answerWhich combination correctly matches the carbonyl compound with the alcohol obtained after reaction with a Grignard reagent and hydrolysis?AFormaldehyde → Secondary alcoholBAldehyde other than HCHO → Tertiary alcoholCKetone → Tertiary alcoholDH₂O → Ethanol Like 0 Discuss 0Share
StoichiometryMole Concept and Number of Atoms1242Choose the best answerHow many atoms are present in 0.1 mol of a triatomic gas? NA = 6.02 × 10²³ mol⁻¹A6.026 × 10²²B1.806 × 10²³C3.600 × 10²³D1.800 × 10²² Like 0 Discuss 0Share
Chemical EquilibriumEffect of Temperature on Equilibrium1243Choose the best answerRaising the temperature of an equilibrium system generally favours:AThe exothermic direction onlyBThe endothermic directionCBoth directions equallyDNeither direction Like 0 Discuss 0Share
Chemical KineticsDetermination of Overall Reaction Order1244Choose the best answerFor the reaction X + 2Y → Products: Exp. 1: [X] = 0.05 M, [Y] = 0.10 M, Rate = 2.0 × 10⁻³ M s⁻¹ Exp. 2: [X] = 0.10 M, [Y] = 0.10 M, Rate = 8.0 × 10⁻³ M s⁻¹ Exp. 3: [X] = 0.10 M, [Y] = 0.20 M, Rate = 1.6 × 10⁻² M s⁻¹ What is the overall order of the reaction?A1B2C3D4 Like 9 Discuss 0Share2
Aldehydes and KetonesReactivity Toward Nucleophilic Addition1245Choose the best answerThe correct increasing order of reactivity toward nucleophilic addition is:AButanone < Propanone < Propanal < EthanalBButanone > Propanone > Propanal > EthanalCButanone < Propanal < Propanone < EthanalDPropanal < Propanone < Ethanal < Butanone Like 0 Discuss 0Share