Alkyl HalidesGrignard Reaction with Formaldehyde71Choose the best answerA Grignard reagent reacts with formaldehyde followed by hydrolysis to produce:APrimary alcoholBSecondary alcoholCTertiary alcoholDCarboxylic acid Like 0 Discuss 0Share
Alkyl HalidesNucleophilicity72Choose the best answerWhich is the weakest nucleophile among the following under comparable conditions?AOH⁻BNH₃CBr⁻DCl⁻ Like 0 Discuss 0Share
Alkyl HalidesStereochemistry of SN1 Reaction73Choose the best answerPartial racemization in an SN₁ reaction occurs because:AThe nucleophile attacks only from the leaving-group side.BThe carbocation is tetrahedral.CThe nucleophile can attack both faces of the planar carbocation, often with greater attack from the less hindered opposite face.DThe nucleophile cannot approach the carbocation. Like 0 Discuss 0Share
UHS MDCAT 2024 Chemistry#Alkyl Halides#Substitution and Elimination74Choose the best answerIdentify the correct statement related to substitution and elimination of alkyl halides:AStrong bases causes substitution in preference to eliminationBRole of leaving groups in elimination is similar to substitutionCSubstitution is favored more than elimination by decreasing solvent polarityDDecrease in temperature will favor elimination more than substitution Like 1 Discuss 0Share
Alkyl HalidesBond Polarity in Alkyl Halides75Choose the best answerWhich methyl halide has the most polar C–X bond?ACH₃FBCH₃ClCCH₃BrDCH₃I Like 0 Discuss 0Share