Org 2 Quiz 3

________, also known as wood alcohol, is used as a fuel and as a solvent. Ingestion of this alcohol can lead to blindness and death.
methane
methoxyol
methanol
ethanol

methanol

_______ is dissolved in water to make the solution sold commercially as rubbing alcohol.
amyl alcohol
isopropyl alcohol
butanol
ethanol

isopropyl alcohol

UnansweredQuestion 3
0 / 1 pts
What type of orbital do the lone pair electrons on oxygen occupy in ethanol?
?
?
p
sp
sp3

sp3

1-Methylcyclopentanol is classified as ________.
a primary alcohol
a secondary alcohol
a tertiary alcohol
a phenol
an enol

a tertiary alcohol

Consider the alcohol 3-methylpentan-3-ol. Is this alcohol primary, secondary, or tertiary?
primary
secondary
tertiary
none of the above

tertiary

In a 1-butanol molecule, what part of the molecule is described as hydrophilic?
H+
OH-
CH3+
CH3

OH-

Ethanol that contains added impurities that make it unfit for drinking is described as ________.
natural
neutralized
normal
denatured

denatured

Which of the following reagents or sequences do not produce an alcohol or diol from an alkene starting material?
H+, H2O
HCO3H
BH3.THF followed by H2O2, NaOH
Hg(OAc)2, H2O followed by NaBH4
OsO4, H2O2

HCO3H

Provide the name of the major organic product that results when 1-pentene is subjected to hydroboration/oxidation.
1-pentanol
2-pentanol
1,1 dipentan-ol
1,2 pentan-diol
pentan-2-ol

1-pentanol

Which of the following terms best describes the reactive nature of a Grignard reagent?
carbocation
free radical
electrophile
nucleophile
carbene

nucleophile

Reaction of ethylmagnesium bromide with which of the following compounds yields a tertiary alcohol after quenching with aqueous acid?
H2CO
CH3CHO
(CH3)2CO
ethylene oxide
n-butyllithium

(CH3)2CO

What combination of Grignard and carbonyl compound can be used to prepare 3-hexanol?
(CH3)2C2MgBr + CH3CH2CH2CHO
CH3CH2MgBr + CH3CH2CH2CHO
CH3CH2CH2MgBr + CH3CH2CH2CHO
CH3CH2MgBr + CH3CH2CHO

CH3CH2MgBr + CH3CH2CH2CHO

How would one used a Grignard-based synthesis to accomplish the following transformation?
pentanal (CH3CH2CH2CH2CHO) to heptan-3-ol
CH3CH2MgBr
CH3CH2CH2MgBr
(CH3)2CHMgBr
CH3MgBr

CH3CH2MgBr