1. A compound possessing a carboxylic acid produces a yellow solution when disso
ID: 505345 • Letter: 1
Question
1. A compound possessing a carboxylic acid produces a yellow solution when dissolved in diethyl ether. This yellow solution is transferred to a separatory funnel and an aqueous solution of sodium chloride is added as well. After mixing the two solutions and allowing them to settle, two layers form. Which of the following statements is true about the resulting layers? (1 pt)
A.
The top layer will be diethyl ether, and the top layer will be yellow.
B.
The top layer will be diethyl ether, and the bottom layer will be yellow.
C.
The bottom layer will be diethyl ether, and bottom layer will be yellow.
D.
The bottom layer will be diethyl ether , and the top layer will be yellow.
A.
The top layer will be diethyl ether, and the top layer will be yellow.
B.
The top layer will be diethyl ether, and the bottom layer will be yellow.
C.
The bottom layer will be diethyl ether, and bottom layer will be yellow.
D.
The bottom layer will be diethyl ether , and the top layer will be yellow.
Explanation / Answer
in liquid-liquid extraction techniques,
Purpose of adding saturated aqeous solution of sodium chloride is to in order to remove the water dissolved in the ether. So, top layer would be ether only (with aqeous layer being in bottom). the colored compound would be on top with ether.
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