5. EXTRACTION To 1 ml. of bromine water in a test tube add .5ml chloroform or carbon tetrachloride. Note the color of the liquid layers. Which layer is more colored? What do you call such liquids which do not form a homogenous mixture? Can you possibly make them homogenous? How?

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5. EXTRACTION
To 1 ml. of bromine water in a test tube add .5ml chloroform or carbon tetrachloride. Note
the color of the liquid layers.
Which layer is more colored?
What do you call such liquids which do not form a homogenous mixture?
Can you possibly make them homogenous?
How?
Transfer the mixture into a separatory funnel and add 2 ml. more of bromine water and
add 1 ml. more of chloroform of carbon tetrachlorides then shake to effect proper mixing. Let
out the lower layer through the stem of the funnel. Again add another 2 ml. to chloroform or
carbon tetrachloride to the aqueous solution in the funnel and shake as before.
How does the color of the chloroform or carbon tetrachloride layer compare with the first
extract?
How
do
you
explain
the
difference?
Is it possible that after several extractions the chloroform layer will become colorless?
Why?
Transcribed Image Text:5. EXTRACTION To 1 ml. of bromine water in a test tube add .5ml chloroform or carbon tetrachloride. Note the color of the liquid layers. Which layer is more colored? What do you call such liquids which do not form a homogenous mixture? Can you possibly make them homogenous? How? Transfer the mixture into a separatory funnel and add 2 ml. more of bromine water and add 1 ml. more of chloroform of carbon tetrachlorides then shake to effect proper mixing. Let out the lower layer through the stem of the funnel. Again add another 2 ml. to chloroform or carbon tetrachloride to the aqueous solution in the funnel and shake as before. How does the color of the chloroform or carbon tetrachloride layer compare with the first extract? How do you explain the difference? Is it possible that after several extractions the chloroform layer will become colorless? Why?
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