Organic Chemistry Exam 3 Sean Stokes Question s and Answers
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Course
Organic Chemistry
Institution
Organic Chemistry
alcohol - Answer-R-OH
phenol - Answer-alcohol directly connected to a benzene ring
phenol is a class of alcohol
ether - Answer-R-O-R
methyl alcohol - Answer-OH connected to no carbons
simplest carbon
primary alcohol - Answer-OH connected to one carbon
ethyl alcohol
secondary...
Organic Chemistry Exam 3 Sean Stokes
Question s and Answers
alcohol - Answer-R-OH
phenol - Answer-alcohol directly connected to a benzene ring
phenol is a class of alcohol
ether - Answer-R-O-R
methyl alcohol - Answer-OH connected to no carbons
simplest carbon
primary alcohol - Answer-OH connected to one carbon
ethyl alcohol
secondary carbon - Answer-OH connected to two carbons
tertiary carbon - Answer-OH connected to three carbons
naming phenols - Answer-counting carbons on phenols always starts at the carbon
connected to the OH
Properties of alchohols - Answer-have hydrogen bonds
lowers boiling point
can act as an acid or a base
Most alcohols fall within a pka range of - Answer-15-16
Difference between pka of alcohols and pka of phenols - Answer-it is lower
Are phenols are more acidic than alchols? - Answer-Yes because the phenoic ion is
resonance stabalized
a ketone when synthesized by reduction makes a - Answer-secondary alcohol
a aldehyde when synthesized by reduction makes a - Answer-primary alcohol
, What is NaBH4 used for? - Answer-goes over arrow in reduction synthesis of ketones
and aldehydes
2-step reaction
NaBH4 then H30+ to make alcohol
weak reducer
produces only one alcohol
What is 1.LiAlH4/H30+ used for? - Answer-used for reduction synthesis of ketones,
aldehydes, esters, and carboxcylic acids
strong reducer
produces 2 alcohols
Reducing esters will produce - Answer-2 alcohols; an ethanol and a methanol
grignard reagent - Answer-R-Mg-X
When a ketone undergoes a grignard synthesis it produces a - Answer-tertiary alcohol
What goes over the arrow in a grignard synthesis - Answer-RMgX
EthMgBr
Esters undergo reactions by - Answer-1.grignard synthesis/2.H3O+
To produce a correct grignard reagent, what is needed? - Answer-2 equivalent of RMgX
What is over the arrow for alcohol eliminations - Answer-cat. H2SO4/heat
H30+ over an arrow produces - Answer-an alcohol from a double bond
primary alcohol can oxidate/reduce how many times? - Answer-twice
secondary alchohols can oxidate/reduce how many times? - Answer-only once
if you tried to oxidate/reduce it again there will be no product
tertiary alcohols can oxidate/reduce how many times? - Answer-none, oxidating it would
result in no product
What goes over the arrow in alchohol oxidations? - Answer-periodinene or H2CrO4
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