UnknownObservations afteraddition of Bromine waterAn experiment was run similar to the experiment described in the HydrocarbonReactions Experiment. The results of the experiments are given below:Observations after additionof Bromine water + UV lightTime forColourChange (sec)1colour remains yellowred colour immediatelybecame clear12colour remains yellowred colour did not change18003colour remains yellowred colour rapidly changedto clear320The unknowns are either: benzene; t-butylbenzene; ethylbenzene;isopropylbenzeneFrom the results identify the unknown.O Unknown 2 is t-butylbenzene.O Unknown 2 is benzene.O Unknown 2 is isopropylbenzene.O Unknown 2 is ethylbenzene.

Unsaturated compounds react with bromine water and form halogenated compounds. The alkanes react…

Answered: From the results identify the unknown.

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From the results identify the unknown.

Organic Chemistry

9th Edition

ISBN:9781305080485

Author:John E. McMurry

Publisher:John E. McMurry

Chapter21: Carboxylic Acid Derivatives: Nucleophilic Acyl Substitution Reactions

Section21.SE: Something Extra

Problem 80AP: Draw the structure of the compound that produced the spectra below. The infrared spectrum has strong...

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Question

Unknown
Observations after
addition of Bromine water
An experiment was run similar to the experiment described in the Hydrocarbon
Reactions Experiment. The results of the experiments are given below:
Observations after addition
of Bromine water + UV light
Time for
Colour
Change (sec)
1
colour remains yellow
red colour immediately
became clear
1
2
colour remains yellow
red colour did not change
1800
3
colour remains yellow
red colour rapidly changed
to clear
320
The unknowns are either: benzene; t-butylbenzene; ethylbenzene;
isopropylbenzene
From the results identify the unknown.
O Unknown 2 is t-butylbenzene.
O Unknown 2 is benzene.
O Unknown 2 is isopropylbenzene.
O Unknown 2 is ethylbenzene.

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