If a chemist wants to do a presumptive test on an unknown substance for the presence of cocaine, which test reagent should they

Question

AfilCa [17]

3 years ago

13

If a chemist wants to do a presumptive test on an unknown substance for the presence of cocaine, which test reagent should they

use?

Medicine

1 answer:

marysya [2.9K] · Answer 1 · 2022-06-14T05:58:46+03:00

marysya [2.9K]3 years ago

6 0

Marquis reagent is used as a simple spot-test to presumptively identify alkaloids as well as other compounds. It is composed of a mixture of formaldehyde and concentrated sulfuric acid, which is dripped onto the substance being tested.