MCAT 2022 QUESTIONS AND ANSWERS| VERIFIED

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isomers Correct Answer: same molecular formula, different structure another name for structural isomers Correct Answer: conSTItutional isomers constitutional vs. conformational isomers Correct ... Answer: constitutional/structural isomers: same molecular formula, DIFFERENT connectivity conformational isomers: SAME connectivity, but are interconverted by rapid rotation about a sigma bond giving temporary shapes of molecules, of varying energies aliphatic compound Correct Answer: non-aromatic compound what are tautomers and provide an example Correct Answer: Tautomers: differ only in the placement of a proton (and the double bond) example: aldehydes and ketones exist in solution as a mixture of 2 isomers--- KETO form (thermodynamically favored) and ENOL form (can act as a nucleophile; ene=double bond and ol=alcohol) what is enolization and another term for it Correct Answer: enolization/tautomerization: interconverting from keto to enol tautomer what is an aldol Correct Answer: aldehyde + alcohol compound what are dimers Correct Answer: pairs of molecules connected by TWO HYDROGEN BONDS when does a carboxylic acids B.P go up Correct Answer: it goes up as molecular weight increases what are ways to stabilize a negative charge and increase acidity Correct Answer: - electron withdrawing groups, such as halides -groups that allow more resonance stabilization (dispersion of a positive charge) examples: benzyl or allyl substituents dissolution Correct Answer: process by which a solute forms a solution in a solvent thiosulfate Correct Answer: S2O3 (2-) borate Correct Answer: BO3(3-) sublimation Correct Answer: solid --> gas [Show More]

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