CHEM 103 LAB FINAL QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS 100% CORRECT RATED A+

CHEM 103 LAB FINAL QUESTIONS AND
ANSWERS WITH COMPLETE
SOLUTIONS 100% CORRECT RATED A+
Question: Which physical characteristics are typically measured to distinguish
between alkanes and alkenes?
Answer: ✔️✔️ The most common physical properties used for identification are
density and boiling points.


Question: What is the original color of the potassium permanganate solution
used during a Baeyer’s test?
Answer: ✔️✔️ The reagent starts with a distinct purple hue.


Question: When performing a bromine test, what color is the bromine reagent
initially?
Answer: ✔️✔️ The bromine solution typically displays a yellowish or orange
tint.


Question: Which specific type of hydrocarbon yields a positive reaction in both
the Baeyer’s and bromine tests?
Answer: ✔️✔️ Alkenes will show a positive result due to their unsaturated
double bonds.


Question: Which chemical was utilized as the solvent for the extraction of
curcumin?
Answer: ✔️✔️ Isopropyl alcohol was the chosen solvent for the extraction
process.


Question: What is the typical concentration of curcumin naturally present in
turmeric?