. PROPERTIES a. Combustibility: Pour a few drops of the distillate on a watch glass and ignite. Describe the result. ___________________________________________________________ b. Presence of Water: 1. Heat 1 gm of finely pulverized copper sulfate gently in an evaporating dish. Describe the result: ___________________________________________________________ 2. Place a few drops of the distillate in the heated copper sulfate. Describe the result: ___________________________________________________________ c. Iodoform Test for Ethyl Alcohol 1. To about 5 mL of the distillate in a test tube, add 2 or 3 crystals of Iodine. 2. Then add 3 mL of 8 N sodium hydroxide solution. 3. Warm the mixture for 5 minutes in a water bath at 60 deg C. 4. Shake occasionally and allow to stand. Describe the result. _____________________ Write the equation for the formation of iodoform from ethyl alcohol. _____________
C. PROPERTIES
a. Combustibility: Pour a few drops of the distillate on a watch glass and ignite.
Describe the result. ___________________________________________________________
b. Presence of Water:
1. Heat 1 gm of finely pulverized copper sulfate gently in an evaporating dish.
Describe the result: ___________________________________________________________
2. Place a few drops of the distillate in the heated copper sulfate.
Describe the result: ___________________________________________________________
c. Iodoform Test for Ethyl Alcohol
1. To about 5 mL of the distillate in a test tube, add 2 or 3 crystals of Iodine.
2. Then add 3 mL of 8 N sodium hydroxide solution.
3. Warm the mixture for 5 minutes in a water bath at 60 deg C.
4. Shake occasionally and allow to stand. Describe the result. _____________________
Write the equation for the formation of iodoform from ethyl alcohol. _____________
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