EBK EXPERIMENTAL ORGANIC CHEMISTRY: A M
6th Edition
ISBN: 9781305687875
Author: Gilbert
Publisher: CENGAGE LEARNING - CONSIGNMENT
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Draw a FIVE STEP Schematic diagram of the procedure on how to separate pure crystals of CuSO4 , Alum and Benzoic acid. (Draw only ONE schematic diagram for the three samples)
What is the main information you wish to acquire when performing a melting point analysis?
A) the percentage of impurities in your sample
B) the average size of crystals after the crystallization process
C) how much reagent has successfully turned into product
D) whether the conversion from reagent to product was successful
Organic Chemistry Laboratory purposes:
a. Why is it important to vent the separatory funnel (directed away from your face and body) after vigorous shaking?
b. What is an disadvantage of using too little drying agent?
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- Explain fundamentally how the use of a column packing material (copper sponge, glass beads, etc.) increases the efficiency of a fractional distillation column.arrow_forwardGive the advantages of using steam distillation in the recovery of an organic liquid from a mixture.arrow_forwardRe: recrystallization Before packing into a capillary tube, a solid substance has to be powdered. Why is this done on a watch glass rather than on a piece of filter paper?arrow_forward
- Why was it important to use a basic aqueous solution as the solvent for fluorescein? Consider both solubility issues and optical properties in your answer.arrow_forwardWhat is the importance of bunsen burner? Explain. What is the purpose of bunsen burner? Explain. Why we should use bunsen burner in the laboratory? What are the safety warning and PPE during bunsen burner experiment?arrow_forwardExplain and elaborate how the following purification techniques work: a. Sublimation b. Recrystallizationarrow_forward
- What is the effect of an insoluble impurity, such as charcoal, on the observed melting point of a compound?arrow_forwardYou need to recrystallize compound A. You are given several solvents to choose from. Briefly describe an experiment to determine what solvent is the best choice to recrystallize compound A.arrow_forwardillustrate and explain your answer Describe what happened to the undisturbed setups after leaving them in the sunlight.arrow_forward
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