Organic Chemistry 2 ACS Final Exam Questions and Answers Grade A+

Organic Chemistry 2 ACS Final12

How can an aldehyde be protected? - ANSWERSUsing a diol and H+



What does permanganate do? (KMnO4, NaOH) - ANSWERSOxidizes aldehydes and primary
alcohols to carboxylic acids



How can an acetal (being used as a protecting group) be hydrolyzed back to it's original form? -
ANSWERSH2O and H+ and heat



At what frequency is an OH or NH bond in IR spec? - ANSWERS3400



At what frequency is a CH (sp3) bond in IR spec? - ANSWERS3000-2850



At what frequency is a CH (sp2) bond in IR spec? - ANSWERS3100-3000



At what frequency is a CH (sp) bond in IR spec? - ANSWERS3300



At what frequency is a C-C triple bond or C-N triple bond in IR spec? - ANSWERS2100



At what frequency is C=O bond in IR spec? - ANSWERS1700



At what frequency is a C=C bond or aromatic C-C bond in IR spec? - ANSWERS1600



At what frequency is an aromatic C-C bond in IR spec? - ANSWERS1500

, At what frequency is carboxylic acid in IR spec? - ANSWERS1720 + a strong and broad band at
2500-3300



At what frequency is an amide bond in IR spec? - ANSWERStwo medium strength bands around
3400 + the carbonyl band below 1700



At what frequency is an sp3 C atom in a proton NMR spec? - ANSWERS1



At what frequency is a C atom attached to a pi system in a proton NMR? - ANSWERS2



At what frequency is a C atom attached to an O atom in a proton NMR? - ANSWERS3-4



At what frequency is an sp2 C atom in a proton NMR? - ANSWERS5-6



At what frequency is an aromatic C atom in a proton NMR? - ANSWERS7-8



At what frequency is an aldehyde C atom in a proton NMR? - ANSWERS10



At what frequency is a carboxylic O atom in a proton NMR? - ANSWERS11-12



At what ppm is an sp3 alkyl C atom in carbon NMR? - ANSWERS10-30



At what ppm is an sp3 C atom attached to O, N, or X in carbon NMR? - ANSWERS50-70



At what ppm is an sp C atom in carbon NMR? - ANSWERS75-90



At what ppm is an sp2 C atom in carbon NMR? - ANSWERS100-150