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Chapter 12: Problem 87

An addition polymerization forms the polymer originally used as Saran" wrap. It has the following structure $\mathrm{t} \mathrm{CCl}_{2}-\mathrm{CH}_{2}+_{n}$. Draw the structure of the monomer.

Short Answer

Expert verified
The monomer structure for the given addition polymer is \(\mathrm{tCCl}_{2} = \mathrm{CH}_{2}\) and can be drawn as: ``` Cl | C = C - H | Cl ```

Step by step solution

01

Identifying the repeating units

To identify the monomer, we first need to recognize the repeating units in the given polymer. The structure is given as \(\mathrm{tCCl}_{2} - \mathrm{CH}_{2} +_{n}\), notice that the \(\mathrm{tCCl}_{2}\) and the \(\mathrm{CH}_{2}\) are connected and form the repeating units in the polymer chain.
02

Determining the monomer structure

The repeating unit in the polymer consists of \(\mathrm{tCCl}_{2}\) and \(\mathrm{CH}_{2}\). As it is an addition polymer, these two units must combine without the loss of any atoms or molecules. Therefore, the double bond between the carbon and chlorine atoms in \(\mathrm{tCCl}_{2}\) will break to form a single bond, which will then connect with the \(\mathrm{CH}_{2}\) unit. The leftover bond from the \(\mathrm{tCCl}_{2}\) will be used to create a double bond with the carbon atom in the \(\mathrm{CH}_{2}\) unit. Hence, the structure of the monomer will be \(\mathrm{tCCl}_{2} = \mathrm{CH}_2\).
03

Drawing the monomer structure

The structure of the monomer can now be drawn as follows: ``` Cl | C = C - H | Cl ``` So, the final structure of the monomer is \(\mathrm{tCCl}_{2} = \mathrm{CH}_{2}\).

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