OH0140769fillerEXPERIMENT 11RADICAL COUPLING REACTION(Preparation of 1, 1-bis-2-naphthol)FeCl3- Drop of H₂O- Grinding- rtOH1.139091, 111991.13579Chemicals Required:2.880692.88432-Naphthol - 2.88 gIron(III) chloride - 1.10 gWater - 2 drops-sumins2.88 242Toluene (for recrystallization)640 41725PProcedure:2.80.1082Grind a mixture of 2-naphthol (2.88 g) and iron(III) chloride (1.10 g) with 2 drops of water inan agate (or porcelain) mortar pestle for about 20 minutes. Allow the mixture to stand for 1 hr10 mins with a little grinding now and then. Transfer the mixture with water (40 ml) into a100 ml beaker and boiled for 10-15 minutes. Cool the mixture and filter the product, washwith boiling water (10 ml), dry and recrystallize from toluene. Report the yield and meltingpoint of the product. Remember to hand in your product.Data Treatment and Analysis1. Calculate the % yield for the product and show your working. Determine the % error ifpossible.2. Compare your physical quantities or data (i.e. m.p.) of your product to literature values ifany anddraw an overall conclusion.Questions1. State the green components of this reaction.2. Give one industrial application of 2-naphthol.Lab Report: Staple and submit your completed Report Form and IR spectra3. Give reaction mochanismOH1028

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1. Calculate the % yield for the product and show your working.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Concept explainers

States of Matter

The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).

Chemical Reactions and Equations

When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.

Question

OH
0140769
filler
EXPERIMENT 11
RADICAL COUPLING REACTION
(Preparation of 1, 1-bis-2-naphthol)
FeCl3
- Drop of H₂O
- Grinding
- rt
OH
1.13909
1, 11199
1.13579
Chemicals Required:
2.88069
2.8843
2-Naphthol - 2.88 g
Iron(III) chloride - 1.10 g
Water - 2 drops
-sumins
2.88 242
Toluene (for recrystallization)
640 41725
P
Procedure:
2.8
0.1082
Grind a mixture of 2-naphthol (2.88 g) and iron(III) chloride (1.10 g) with 2 drops of water in
an agate (or porcelain) mortar pestle for about 20 minutes. Allow the mixture to stand for 1 hr
10 mins with a little grinding now and then. Transfer the mixture with water (40 ml) into a
100 ml beaker and boiled for 10-15 minutes. Cool the mixture and filter the product, wash
with boiling water (10 ml), dry and recrystallize from toluene. Report the yield and melting
point of the product. Remember to hand in your product.
Data Treatment and Analysis
1. Calculate the % yield for the product and show your working. Determine the % error if
possible.
2. Compare your physical quantities or data (i.e. m.p.) of your product to literature values if
any and
draw an overall conclusion.
Questions
1. State the green components of this reaction.
2. Give one industrial application of 2-naphthol.
Lab Report: Staple and submit your completed Report Form and IR spectra
3. Give reaction mochanism
OH
1028

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