What are the bond types of methylbenzene? and PJ Bond @ Fest 11 10.27.12-45

What are the bond types of methylbenzene?

Using electronegativities, determine the type of bond. Show calculations, please? And is it polar, nonpolar, or ionic?


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Answer by David
Methylbenzene? As in Toluene? Well, it's all organic, and the only bonds present are carbon-carbon and carbon-hydrogen bonds. So they're all covalently bonded. So in a benzene ring there are carbon-carbon bonds, both single and double. The electronegativity of carbon is of course the same as the EN of carbon, so the difference is 0, making it nonpolar covalent. Carbon-hydrogen bonds are 2.544 (C) - 2.300 (H), which gives .244 as the difference, so since it's below 0.4 that makes that nonpolar as well. Now as far as bond types go, do you mean sigma and pi bonds, or single and double bonds? Methylbenzene's structure is six carbons in a ring, with alternating (conjugated) pi bonds around the ring. Other than that, there's a CH3 group sigma bonded carbon-to-carbon with one of the ring carbons. Does that help?

Bond

PJ Bond @ Fest 11 10.27.12-45


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PJ Bond plays Fest 11 at Civic Media Center, Gainesville, FL, October 27, 2012.

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