How count the carbons in 2,3,7,8-Tetrachlorodibenzo-p-dioxin?

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In summary, TCDD (2,3,7,8-Tetrachlorodibenzo-p-dioxin) has a chemical structure of C<sub>12</sub>H<sub>4</sub>Cl<sub>4</sub>O<sub>2</sub>, consisting of two benzene rings connected by two oxygen atoms and four chlorine atoms attached to the rings. It has 12 carbon atoms and a molecular weight of approximately 322.9 g/mol. To determine the number of carbons in TCDD, techniques such as NMR spectroscopy or mass spectrometry can be used. Knowing the number of carbons is important for understanding its properties and potential effects, as well as for developing remediation
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arabianights
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hi guys,

I did some reading into dioxin in light of recent incident in Ohio.
I'm not sure how to count the carbon in this compound, if i start counting from top left or top right, I comes with carbon 2, 3, 8, 9 that bounds with Chlorine atom.

https://www.epa.gov/dioxin/learn-about-dioxin
 
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FAQ: How count the carbons in 2,3,7,8-Tetrachlorodibenzo-p-dioxin?

What is the molecular structure of 2,3,7,8-Tetrachlorodibenzo-p-dioxin?

The molecular structure of 2,3,7,8-Tetrachlorodibenzo-p-dioxin (TCDD) consists of two benzene rings connected by two oxygen atoms, forming a dioxin structure. Four chlorine atoms are attached to the benzene rings at the 2, 3, 7, and 8 positions.

How many carbon atoms are in 2,3,7,8-Tetrachlorodibenzo-p-dioxin?

2,3,7,8-Tetrachlorodibenzo-p-dioxin has a total of 12 carbon atoms. Each benzene ring contributes 6 carbon atoms, and there are two benzene rings in the molecule.

How do you identify the positions of the carbon atoms in the structure?

The carbon atoms in 2,3,7,8-Tetrachlorodibenzo-p-dioxin are numbered according to standard chemical nomenclature. Each benzene ring has carbons numbered 1 through 6. The positions 2, 3, 7, and 8 refer to specific carbon atoms on the benzene rings where chlorine atoms are attached.

Why are the carbon atoms at the 2, 3, 7, and 8 positions significant?

The carbon atoms at the 2, 3, 7, and 8 positions are significant because they are the locations where chlorine atoms are attached in the TCDD molecule. This specific chlorination pattern is what defines 2,3,7,8-Tetrachlorodibenzo-p-dioxin and distinguishes it from other dioxins.

Can you provide a step-by-step method to count the carbon atoms in TCDD?

Yes, to count the carbon atoms in 2,3,7,8-Tetrachlorodibenzo-p-dioxin, follow these steps: 1. Identify the two benzene rings in the molecular structure.2. Each benzene ring contains 6 carbon atoms.3. Since there are two benzene rings, multiply 6 carbon atoms by 2, resulting in a total of 12 carbon atoms.4. Verify that no additional carbon atoms are present outside the benzene rings.Thus, the total number of carbon atoms in TCDD is 12.

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