How many electrons are involved in σ−bonding in the acetylene molecule?

1 Answer
anor277 · Truong-Son N.
Jul 20, 2017

Well, formally, there are 6 electrons involved in the σ−bonding interaction. No?

Explanation:

We gots acetylene, H−C≡C−H. There are 2×C−H bonds, and 1×C−C bond, and each bond formally requires 2 electrons, and thus there are 6 electrons involved.

Of course there are 2×C−C π bonds above and below the plane of the σ−bonds in 3 dimensions.

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