How is the following reaction carried out ? A mixture of:Biphenyl and 2-NaphtholDissolved in diethyl etilAdd an aqueous and basic solution of NaOH thenstir and separate the phasessalt (cojugated base) dissolved in waterkaqueous phase) of alkaline pH.lower phasedissolved in diethyl ether (organicphase).contains water residues.upper phaseMagnesium sulfate is addedanhydrous (MgS) to dryIt is acidified with50% HCI to protonate theconjugate basewhich is insoluble in waterit is filtered through aBüchner by suctiondissolved in diethyl ether and dry1) is filtered by gravity (or decanted)2) the solvent is evaporated (diethyl ether)heating on the sand bath in the extractorit is dried at 85-90 * CAcid component:pure and its solid stateNeutral component:pure and in lilquid state

Answered: How is the following reaction carried…

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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

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How is the following reaction carried out ?

A mixture of:
Biphenyl and 2-Naphthol
Dissolved in diethyl etil
Add an aqueous and basic solution of NaOH then
stir and separate the phases
salt (cojugated base) dissolved in water
kaqueous phase) of alkaline pH.
lower phase
dissolved in diethyl ether (organic
phase).contains water residues.
upper phase
Magnesium sulfate is added
anhydrous (MgS) to dry
It is acidified with
50% HCI to protonate the
conjugate base
which is insoluble in water
it is filtered through a
Büchner by suction
dissolved in diethyl ether and dry
1) is filtered by gravity (or decanted)
2) the solvent is evaporated (diethyl ether)
heating on the sand bath in the extractor
it is dried at 85-90 * C
Acid component:
pure and its solid state
Neutral component:
pure and in lilquid state

Expert Solution

Step 1

Biphenyl is:

2-Naphthol is:

Biphenyl is a neutral compound whereas 2-Naphthol is an acidic compound. They both are soluble in slightly polar solvents like diethyl ether but are insoluble in water.

When a basic solution (aq NaOH) is added to the solution of biphenyl and 2-Naphthol, 2-Naphthol being an acid loses its acidic hydrogen to give the ionic salt. This ionic salt is dissolved in water molecules due to H-bonding (as an ionic compound is polar).

Biphenyl, being a neutral compound does not convert into ionic salt as it doesn’t have any acidic proton. These phases are then separated.

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