What were the physical properties used to identify alkanes and
../ ../ ../ ../ ../ ../ ../ ../ ../ ../
alkenes? - correct answer Boiling points and Density
../ ../ ../ ../ ../ ../ ../
What color is the potassium permanganate reagent in the Baeye
../ ../ ../ ../ ../ ../ ../ ../ ../
r's test? - correct answer Purple
../ ../ ../ ../ ../
What color is the bromine in the bromine test? -
../ ../ ../ ../ ../ ../ ../ ../ ../
correct answer Yellowish/ Orange
../ ../ ../ ../
Which hydrocarbon will have positive result for the baeyer's an
../ ../ ../ ../ ../ ../ ../ ../ ../
d/or bromine test? - correct answer Alkenes
../ ../ ../ ../ ../ ../
What solvent was used to extract curcumin? -
../ ../ ../ ../ ../ ../ ../
correct answer Isopropyl alcohol
../ ../ ../ ../
What is the percent of curcumin found in turmeric? -
../ ../ ../ ../ ../ ../ ../ ../ ../
correct answer 3-5%
../ ../ ../
, What can curcumin be used as in the lab? -
../ ../ ../ ../ ../ ../ ../ ../ ../
correct answer pH Indicator
../ ../ ../ ../
What instruments were used in this lab? Also know the parts. -
../ ../ ../ ../ ../ ../ ../ ../ ../ ../ ../
correct answer Spec 20
../ ../ ../ ../
What is the maximum wavelength of curcumin in the UV/Vis s
../ ../ ../ ../ ../ ../ ../ ../ ../ ../
prectrum? - correct answer 425 ../ ../ ../ ../
What test was used to classify aldehydes and ketones? -
../ ../ ../ ../ ../ ../ ../ ../ ../
correct answer Tollens
../ ../ ../
Will a ketone or aldehyde react with the Tollen's reagent? -
../ ../ ../ ../ ../ ../ ../ ../ ../ ../
correct answer Aldehyde will react but Ketone will not.
../ ../ ../ ../ ../ ../ ../ ../ ../
What does a positive Tollen's test look like? -
../ ../ ../ ../ ../ ../ ../ ../
correct answer Silver
../ ../ ../
What physical state are the unknown ketone/aldehyde in? -
../ ../ ../ ../ ../ ../ ../ ../
correct answer Liquid
../ ../ ../