OCHEM final review Flashcards
single bond land ppm (H’s stuck to Sp3 hybridized
1-5
double bond land ppm )h’s stuck to sp2
4-5
aromatic land (h’s stuck to benzene ppm
6-8
phenol and aldehyde H’s ppm?
10
carboxylic acid and aminde H’s ppm
12-14
less s character means longer or shorter bonds?
shorter
classify No2 as either meta or para directors
meta
classify SO3H as either meta or para directors
meta
classify CN as either meta or para directors
meta
classify carboxylic acid as either meta or para directors
meta
classify aldehyde as either meta or para directors
meta
classify ester Roor on a carbonyl as either meta or para directors
meta
classify NR3 as either meta or para directors
meta
weak OP
all halogens
classify NH2 as either meta or para directors
para ortho
classify OH as either meta or para directors
para ortho
classify OR as either meta or para directors
para ortho
classify R as either meta or para directors
para ortho
classify toulene as either meta or para directors
para ortho
classify carbonyl with an R group and a NH as either meta or para directors
ortho para
tollen test Reagent
Ag20/ Nh3
tollens test functional group tested
aldehydes (postitive) side of flask is coated with silver
iodoform test reagent
I2/ Oh- (positive ) yellow precipitate forms
iodoform functional group tested
methyl ketone
silver nitrate functional group tested
alkyl halides (positive) precipitate of Ag compound formed
bromine test functional group tested
alkenes and alkynes (positive) brown color of bromine disappears
baeyer test functional group tested
alkenes and alkynes (positive) purple solutions turns to brown precipitate
baeyer test reagent
dilute Kmn04 (
jones test reagnet
Cro3 and h2so4 (positive) orange reagent turns blue and green
jones test functional group
primary and secondary alcohol
lucas test reagent
zncl2/hcl (positive) cloudy solution initially
lucas test functional group tested
secondary and tertiary benzylic alcohols
how to extract phenols
use naoh
how to extract amines
HCL
how to extract carboxylic acids
Naoh
spiro alkanes naming
numbering low to high
bicyclic alkanes naming
numbering high to low
are electron withdrawers (meta) make things more acid?
yes
do electron donors (ortho para) make things less acid T/F
true