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Chapter 5

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Total cards: 14•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (14)

#1
Front (Question)

isomer

Back (Answer)

nonidentical molecules that have the same formula

#2
Front (Question)

constitutional isomer

Back (Answer)

same molecular formula but a different order of connectivity of atoms

#3
Front (Question)

stereoisomers

Back (Answer)

same molecular formula and constitution but a different spatial arrangement

#4
Front (Question)

regioselectivity

Back (Answer)

determines the position within a molecule a reaction occurs, guiding which region or direction is favored

#5
Front (Question)

stereoselectivity

Back (Answer)

focuses on the spatial arrangement of atoms, leading to the preferential formation of one stereoisomer over others

#6
Front (Question)

regioselectivity is about ________ a reaction happens on a molecules, while stereoselectivity is about ___________ atoms are arranged in the resulting product

Back (Answer)

“where”, “how”

#7
Front (Question)

geometric isomers

Back (Answer)

cis and trans

#8
Front (Question)

chiral atoms

Back (Answer)

bonded to 4 DIFFERENT groups of atoms

#9
Front (Question)

enantiomers

Back (Answer)

non-superimposable mirror images (all stereo centers switch)

#10
Front (Question)

diastereomers

Back (Answer)

stereoisomers, but NOT mirror images (cis and trans) (at least one (but not all) stereo centers switch)

#11
Front (Question)

Cohn-Ingold-Prelog Rules

Back (Answer)

• identify chiral atom (4 different groups) • assign priority by atomic number • tie = take a step out • rotate so that priority 4 is in the back • determine R vs S

#12
Front (Question)

R configuration

Back (Answer)

clockwise

#13
Front (Question)

S configuration

Back (Answer)

counterclockwise

#14
Front (Question)

2^n

Back (Answer)

• equation to determine the maximum number of stereoisomers • n=chiral centers