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The PCC (1-piperidinocyclohexane carbonitrile) content of a clandestinely synthesized PCP (phencyclidine) sample can be determined by precipitating and weighing the product: PCC + Phenylmagnesium Bromide → PCP MW = 186.258 g/mole MW = 181.31 g/mole MW 243.387 g/mole In one analysis, 0.702 g of sample was dissolved in 25 mL of cylcohexanone and 1 g of phenylmagnesium bromide was added. After 25 minutes, the precipitate was filtered, washed with acetone, dried at 110°C, and found to weigh 0.869 3 grams. Find the recovery in wt% of PCC in the sample. In another analysis, the same sample was found to contain 5.17% of another impurity. What is the separation factor of this impurity in relation to PCC?

The PCC (1-piperidinocyclohexane carbonitrile) content of a clandestinely synthesized PCP (phencyclidine) sample can be determined by precipitating and weighing the product: PCC + Phenylmagnesium Bromide → PCP MW = 186.258 g/mole MW = 181.31 g/mole MW 243.387 g/mole In one analysis, 0.702 g of sample was dissolved in 25 mL of cylcohexanone and 1 g of phenylmagnesium bromide was added. After 25 minutes, the precipitate was filtered, washed with acetone, dried at 110°C, and found to weigh 0.869 3 grams. Find the recovery in wt% of PCC in the sample. In another analysis, the same sample was found to contain 5.17% of another impurity. What is the separation factor of this impurity in relation to PCC?

Organic Chemistry
Organic Chemistry
8th Edition
ISBN:9781305580350
Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Chapter21: Benzene And The Concept Of Aromaticity
Section: Chapter Questions
Problem 21.63P
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The PCC (1-piperidinocyclohexane carbonitrile) content of a clandestinely synthesized PCP (phencyclidine) sample can be determined by precipitating and weighing the product: PCC + Phenylmagnesium Bromide → PCP MW = 186.258 g/mole MW = 181.31 g/mole MW 243.387 g/mole In one analysis, 0.702 g of sample was dissolved in 25 mL of cylcohexanone and 1 g of phenylmagnesium bromide was added. After 25 minutes, the precipitate was filtered, washed with acetone, dried at 110°C, and found to weigh 0.869 3 grams. Find the recovery in wt% of PCC in the sample. In another analysis, the same sample was found to contain 5.17% of another impurity. What is the separation factor of this impurity in relation to PCC?
Transcribed Image Text:The PCC (1-piperidinocyclohexane carbonitrile) content of a clandestinely synthesized PCP (phencyclidine) sample can be determined by precipitating and weighing the product: PCC + Phenylmagnesium Bromide → PCP MW = 186.258 g/mole MW = 181.31 g/mole MW 243.387 g/mole In one analysis, 0.702 g of sample was dissolved in 25 mL of cylcohexanone and 1 g of phenylmagnesium bromide was added. After 25 minutes, the precipitate was filtered, washed with acetone, dried at 110°C, and found to weigh 0.869 3 grams. Find the recovery in wt% of PCC in the sample. In another analysis, the same sample was found to contain 5.17% of another impurity. What is the separation factor of this impurity in relation to PCC?
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