Question

A student places 2 mL of acetone in a test tube and adds 3 drops of an unknown sample while gently mixing. They added 2 drops of chromic acid test reagent and mixed the test tube. They observed a blue-green precipitate formed. What compound is most likely the unknown? ©GMU 2020 a. Cyclopentane b. n-Octane c. Ethanol d. t-Butyl Chloride

Name: a student places 2 ml of acetone in a test tube and adds 3 drops of an unknown sample while gently mixing they added 2 drops of chromic acid test reagent and mixed the test tube they observe 43618
Uploaded: 2022-05-05T16:22:03-08:00
Duration: 2 min 22 s
Channel: Shaiju T
Description: a student places 2 ml of acetone in a test tube and adds 3 drops of an unknown sample while gently mixing they added 2 drops of chromic acid test reagent and mixed the test tube they observe 43618

          A student places 2 mL of acetone in a test tube and adds 3 drops of an unknown sample while gently mixing. They added 2 drops of chromic acid test reagent and mixed the test tube. They observed a blue-green precipitate formed. What compound is most likely the unknown? ©GMU 2020 
a.
Cyclopentane
b.
n-Octane
c.
Ethanol
d.
t-Butyl Chloride

Added by Guillermo B.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Shaiju T

05/05/2022

Step 1

The chromic acid test is used to detect the presence of alcohols and aldehydes. A positive result, indicated by a blue-green precipitate, suggests the presence of a primary or secondary alcohol or an aldehyde. Show more…

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A student places 2 mL of acetone in a test tube and adds 3 drops of an unknown sample while gently mixing. They added 2 drops of chromic acid test reagent and mixed the test tube. They observed a blue-green precipitate formed. What compound is most likely the unknown? ©GMU 2020 a. Cyclopentane b. n-Octane c. Ethanol d. t-Butyl Chloride