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UTA Organic Chemistry Lab 2181 Quiz
Answers Questions with Correct Answers |
Updated (100% Correct Answers)
Which of the following is not a consideration when selecting a
solvent for recrystallization? Answer: The compound of interest
should be soluble in the solvent at low temperatures.
Hot filtration does not require a ______. Answer: buchner funnel
Which solvent has the highest boiling point? Answer: water
Recrystallization is used to purify ________ compounds. Answer: solid
Which of the following compounds is the least polar? Answer:
Hexane
In an extraction procedure, it is advisable to: Answer: save all layers
until an experiment is complete.
Which of the following is incorrect for the description of diethyl
ether (often called ether)? Answer: Ether vapor is lighter than air
Organic chemists perform extractions of reaction mixtures several
times to maximize product yield. How many extractions would it
generally take to acquire 99% yield of the product? Answer: Three
extractions.
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, 2
The total numbers of stereoisomers of Tartaric Acid are: Answer: 3
The two molecules constituting the racemate you will be resolving
in today's lab include: Answer: (R)-(+)-1-phenylethylamine and (S)-(-
)-1-phenylethylamine
In which solvent does the racemic 1-Phenylethylamine is dissolved
during the formation of Diastereomeric mixture in this experiment?
Answer: Methanol
What is the relation between configuration and optical rotation?
Answer: No relation
In this experiment, phosphoric acid is best classified as a(n) ________.
Answer: catalyst
Cyclohexanol has a higher boiling point than cyclohexene due to
_____. Answer: intermolecular hydrogen bonding
The conversion of cyclohexanol to cyclohexene is considered a
_______ reaction. Answer: dehydration and elimination
Which of the following is/are commonly used as a test for
unsaturation?
I. 2% KMnO4 in water
II. bromine in dichloromethane
© 2025 All rights reserved
UTA Organic Chemistry Lab 2181 Quiz
Answers Questions with Correct Answers |
Updated (100% Correct Answers)
Which of the following is not a consideration when selecting a
solvent for recrystallization? Answer: The compound of interest
should be soluble in the solvent at low temperatures.
Hot filtration does not require a ______. Answer: buchner funnel
Which solvent has the highest boiling point? Answer: water
Recrystallization is used to purify ________ compounds. Answer: solid
Which of the following compounds is the least polar? Answer:
Hexane
In an extraction procedure, it is advisable to: Answer: save all layers
until an experiment is complete.
Which of the following is incorrect for the description of diethyl
ether (often called ether)? Answer: Ether vapor is lighter than air
Organic chemists perform extractions of reaction mixtures several
times to maximize product yield. How many extractions would it
generally take to acquire 99% yield of the product? Answer: Three
extractions.
© 2025 All rights reserved
, 2
The total numbers of stereoisomers of Tartaric Acid are: Answer: 3
The two molecules constituting the racemate you will be resolving
in today's lab include: Answer: (R)-(+)-1-phenylethylamine and (S)-(-
)-1-phenylethylamine
In which solvent does the racemic 1-Phenylethylamine is dissolved
during the formation of Diastereomeric mixture in this experiment?
Answer: Methanol
What is the relation between configuration and optical rotation?
Answer: No relation
In this experiment, phosphoric acid is best classified as a(n) ________.
Answer: catalyst
Cyclohexanol has a higher boiling point than cyclohexene due to
_____. Answer: intermolecular hydrogen bonding
The conversion of cyclohexanol to cyclohexene is considered a
_______ reaction. Answer: dehydration and elimination
Which of the following is/are commonly used as a test for
unsaturation?
I. 2% KMnO4 in water
II. bromine in dichloromethane
© 2025 All rights reserved
