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Chem 103 Lab Final Exam || Most Recent Exam Actual Complete Real Exam Questions And Correct Answers (Verified Answers) | Already Graded A+ | Guaranteed Success!! Newest Exam | Just Released!

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Chem 103 Lab Final Exam || Most Recent Exam Actual Complete Real Exam Questions And Correct Answers (Verified Answers) | Already Graded A+ | Guaranteed Success!! Newest Exam | Just Released!! Chem 103 Lab Final Exam || Most Recent Exam Actual Complete Real Exam Questions And Correct Answers (Verified Answers) | Already Graded A+ | Guaranteed Success!! Newest Exam | Just Released!! Chem 103 Lab Final Exam || Most Recent Exam Actual Complete Real Exam Questions And Correct Answers (Verified Answers) | Already Graded A+ | Guaranteed Success!! Newest Exam | Just Released!! Chem 103 Lab Final Exam || Most Recent Exam Actual Complete Real Exam Questions And Correct Answers (Verified Answers) | Already Graded A+ | Guaranteed Success!! Newest Exam | Just Released!!

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Institution
Chem 103 Lab
Course
Chem 103 Lab

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Chem 103 Lab Final Exam || Most Recent Exam 2026-2027
Actual Complete Real Exam Questions And Correct
Answers (Verified Answers) | Already Graded A+ |
Guaranteed Success!! Newest Exam | Just
Released!!


What can curcumin be used as in the lab? - ANSWER -pH
Indicator


What instruments were used in this lab? Also know the parts. -
ANSWER -Spec
20


What is the maximum wavelength of curcumin in the
UV/Vis sprectrum? -
ANSWER -
425


What test was used to classify aldehydes and ketones? -
ANSWER -Tollens


Will a ketone or aldehyde react with the Tollen's reagent? -
ANSWER -Aldehyde
will react but Ketone
will not.


What does a positive Tollen's test look like? - ANSWER -
Silver

, What physical state are the unknown ketone/aldehyde in? -
ANSWER -Liquid


What is the ketone/aldehyde derivative called? -
ANSWER -2,4
dinitrophenylhydrazone


What reagent was used to make the derivative? -
ANSWER -2,4,
dinitrophenylhydrazine




What compound was extracted out of the aspirin tablet? What
solvent was used
to extract it? - ANSWER -
acetylsalicyclic acid


What was the acid used in the hydrolysis of acetylsalicyclic
acid to salicyclic
acid? - ANSWER -HCl which is diluted 20% to
Muratic acid


What temperature did this reaction performed at? (salicyclic
acid) What is the
byproduct of this reaction? - ANSWER -60 degree Celsius
and acetic acid


What acid catalyst was used in the esterification reaction
(SA to ES)? -

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