Question

based on the amount of cyclohexanol used in the procedure, calculate the theoretical yield of cyclohexene product. show all work.

info attached below

ОН Н,РО,. H2SO + Н,о Procedure Cyclohexanol (10 g) is weighed into a 50 mL round-bottom three-necked flask, while avoiding getting the liquid on the ground-glass joint. To this is added 2.5 mL of 85% phosphoric acid along with two drops of sulfuric acid (again, avoiding getting the liquids on the joint) and a few boiling stones. The flask is then used as the pot for a fractional distillation setup, with a thermometer adapter in one of the side necks and a glass stopper in the other. A Vigreux column is used, and a 100 mL Thermowell situated on a Lab Jack is used for heating. The Powermite is set to 30 % of full power. A 25 mL round-bottom flask is used as the distillation receiver; it is attached using a Keck clamp, and it is cooled in an ice-water bath as the distillation begins. The mixture is heated to boiling, taking care to moderate the heating to give a distillation rate of about one drop per second. Pot and head temperatures are noted when the first drop of distillate is received, during the middle of the distillation, and at the end. Heating is stopped when very little distillate is being formed. After the apparatus has cooled the remaining pot contents are poured into the acidic waste container and the flask is rinsed with water. The contents of the receiving flask are poured into a separatory funnel and rinsed in with a few mL of water. The product is washed with saturated NaCl solution, using a volume about equal to that of the organic layer. The organic layer is poured into a 25 mL Erlenmeyer flask and dried over sodium sulfate, after which it is decanted into another 25 mL Erlenmeyer flask for weighing and characterization. For storage the flask should be corked securely and sealed with Parafilm. The product is characterized by IR spectroscopy, and by proton NMR. When running the IR spectrum, it is neces sary to use a special cup for volatile samples.

Answer 1

Sulution: H3 PO4 M/282.143 1 male MNE100. 158 gl male (fcbhexanal 10 gm scale ot Reacthon done on given wt of starting mole- molecular wt of starhing 10 gm 100 158 91male O.0998md le. Thirotical field 00998 mole x molecu ar wt of p Yodt O.0o99mole x 82.143 mule 820 a Therutical gield of 10 gmreaction is 8.20 gm. Atual yiel Percentage yiel d X/00 Therotical yield Actual yield 8.20