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Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074

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BuyFindarrow_forward

Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074
Textbook Problem

A well-known company sells outdoor clothing made of recycled polyethylene terephthalate (PET), the principal material in many soft drink bottles. Another company makes PET fibers by treating recycled bottles with methanol to give the diester dimethyl terephthalate and ethylene glycol and then repolymerizes these compounds to give new PET. Write a chemical equation to show how the reaction of PET with methanol can give dimethyl terephthalate and ethylene glycol.

Interpretation Introduction

Interpretation:

The equation is to be written for the reaction of PET with methanol.

Concept introduction:

Transesterification: Transesterification reaction is an esterification reaction of ester react with excess of alcohol in the presence of either acid or base catalyst to form a new ester. The formation of one type of ester can be transformed in to other form of esters is called esterification when reaction moves forward when we use excess of an alcohol.

The mechanism of the transesterification is given below,

images

A general equation is given below.

RCOOR'+R''OHRCOOR''+R'O

Explanation

The equation for the reaction of PET with methanol is written below.

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Chapter 23 Solutions

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Sect-23.5 P-1.3ACPSect-23.5 P-2.1ACPSect-23.5 P-2.2ACPSect-23.5 P-2.3ACPSect-23.5 P-3.1ACPSect-23.5 P-3.2ACPSect-23.5 P-3.3ACPSect-23.5 P-3.4ACPSect-23.5 P-3.5ACPCh-23 P-1PSCh-23 P-2PSCh-23 P-3PSCh-23 P-4PSCh-23 P-5PSCh-23 P-6PSCh-23 P-7PSCh-23 P-8PSCh-23 P-9PSCh-23 P-10PSCh-23 P-11PSCh-23 P-12PSCh-23 P-13PSCh-23 P-14PSCh-23 P-15PSCh-23 P-16PSCh-23 P-17PSCh-23 P-18PSCh-23 P-19PSCh-23 P-20PSCh-23 P-21PSCh-23 P-22PSCh-23 P-23PSCh-23 P-24PSCh-23 P-25PSCh-23 P-26PSCh-23 P-27PSCh-23 P-28PSCh-23 P-29PSCh-23 P-30PSCh-23 P-31PSCh-23 P-32PSCh-23 P-33PSCh-23 P-34PSCh-23 P-35PSCh-23 P-36PSCh-23 P-37PSCh-23 P-38PSCh-23 P-39PSCh-23 P-40PSCh-23 P-41PSCh-23 P-42PSCh-23 P-43PSCh-23 P-44PSCh-23 P-45PSCh-23 P-46PSCh-23 P-47PSCh-23 P-48PSCh-23 P-49PSCh-23 P-50PSCh-23 P-51PSCh-23 P-52PSCh-23 P-53PSCh-23 P-54PSCh-23 P-55PSCh-23 P-56PSCh-23 P-57PSCh-23 P-58PSCh-23 P-59PSCh-23 P-60PSCh-23 P-61PSCh-23 P-62PSCh-23 P-63PSCh-23 P-64PSCh-23 P-65PSCh-23 P-66PSCh-23 P-67PSCh-23 P-68PSCh-23 P-69PSCh-23 P-70PSCh-23 P-71PSCh-23 P-72PSCh-23 P-73PSCh-23 P-74PSCh-23 P-75GQCh-23 P-76GQCh-23 P-77GQCh-23 P-78GQCh-23 P-79GQCh-23 P-80GQCh-23 P-81GQCh-23 P-82GQCh-23 P-83GQCh-23 P-84GQCh-23 P-85GQCh-23 P-86GQCh-23 P-87GQCh-23 P-88GQCh-23 P-89GQCh-23 P-90GQCh-23 P-91GQCh-23 P-92GQCh-23 P-93GQCh-23 P-94GQCh-23 P-95GQCh-23 P-96GQCh-23 P-97GQCh-23 P-98GQCh-23 P-99GQCh-23 P-100GQCh-23 P-101GQCh-23 P-102GQCh-23 P-103ILCh-23 P-104ILCh-23 P-105ILCh-23 P-106ILCh-23 P-107ILCh-23 P-108ILCh-23 P-109ILCh-23 P-110ILCh-23 P-111ILCh-23 P-112ILCh-23 P-113ILCh-23 P-114ILCh-23 P-115SCQCh-23 P-116SCQCh-23 P-117SCQCh-23 P-118SCQCh-23 P-119SCQCh-23 P-120SCQCh-23 P-121SCQ

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