CHEM 238 ~Lab Final~ Questions With Complete Solutions
A kinetic product... Correct Answers forms most quickly
A KMnO4 test on the basic hydrolysis products of aspartame
will detect the presence of... Correct Answers methyl alcohol
A purple color develop as soon as all reactants are mixed
together for the aldol condensation of benzil and dibenzyl
ketone. This color is due to: Correct Answers the production of
a highly conjugated molecule
A thermodynamic product... Correct Answers is the most stable
product
A=Elc Correct Answers Absorbance = extinction coefficient x
path length x concentration
Aldol condensation require: Correct Answers a carbonyl
substrate containing protons on the alpha carbon
Amide bonds CANNOT be broken by: Correct Answers
reaction with DCM
Amide bonds may be broken by: Correct Answers basic or
acidic conditions, enzymatically, with trypsin
An acid chloride may be prepared from a carboxylic acid and...
Correct Answers SOCl2
, Define lachrymator Correct Answers substance with vapors
that irritate the eye, causing shedding of tears
During the indigo dye lab, you have a clear yellow solution, but
blue keeps creeping up the sides of your flask. Why is this?
Correct Answers there is a leak into your flask and the
leucoindigo is being oxidized
Electrophile for nitration of an aromatic compound Correct
Answers NO2+
Functionally, proteins are... Correct Answers polymeric
peptides
Grignard reagents are prepared by the reaction of ____ in ether
solvent Correct Answers alkyl or aryl halides with magnesium
How can amide bonds be hydrolyzed? Correct Answers acidic
or basic conditions
In a Grignard reaction, the Grignard reagent (R-MgX) acts as...
Correct Answers a nucleophile
In the addition of the HBr to butadiene, which product is the
product of kinetic control? Correct Answers 3-bromo-1-butene
In the addition of the HBr to butadiene, which product is the
product of thermodynamic control? Correct Answers 1-bromo-
2-butene
A kinetic product... Correct Answers forms most quickly
A KMnO4 test on the basic hydrolysis products of aspartame
will detect the presence of... Correct Answers methyl alcohol
A purple color develop as soon as all reactants are mixed
together for the aldol condensation of benzil and dibenzyl
ketone. This color is due to: Correct Answers the production of
a highly conjugated molecule
A thermodynamic product... Correct Answers is the most stable
product
A=Elc Correct Answers Absorbance = extinction coefficient x
path length x concentration
Aldol condensation require: Correct Answers a carbonyl
substrate containing protons on the alpha carbon
Amide bonds CANNOT be broken by: Correct Answers
reaction with DCM
Amide bonds may be broken by: Correct Answers basic or
acidic conditions, enzymatically, with trypsin
An acid chloride may be prepared from a carboxylic acid and...
Correct Answers SOCl2
, Define lachrymator Correct Answers substance with vapors
that irritate the eye, causing shedding of tears
During the indigo dye lab, you have a clear yellow solution, but
blue keeps creeping up the sides of your flask. Why is this?
Correct Answers there is a leak into your flask and the
leucoindigo is being oxidized
Electrophile for nitration of an aromatic compound Correct
Answers NO2+
Functionally, proteins are... Correct Answers polymeric
peptides
Grignard reagents are prepared by the reaction of ____ in ether
solvent Correct Answers alkyl or aryl halides with magnesium
How can amide bonds be hydrolyzed? Correct Answers acidic
or basic conditions
In a Grignard reaction, the Grignard reagent (R-MgX) acts as...
Correct Answers a nucleophile
In the addition of the HBr to butadiene, which product is the
product of kinetic control? Correct Answers 3-bromo-1-butene
In the addition of the HBr to butadiene, which product is the
product of thermodynamic control? Correct Answers 1-bromo-
2-butene
