How many electrons form the carbon–oxygen bond in methanal, HCHO?A. 2B. 4C. 8D. 12
Question
How many electrons form the carbon–oxygen bond in methanal, HCHO?A. 2B. 4C. 8D. 12
Solution
Methanal, also known as formaldehyde, has the chemical formula HCHO. It consists of a carbon atom double-bonded to an oxygen atom, and single-bonded to a hydrogen atom.
In a covalent bond, such as the carbon-oxygen bond in methanal, each atom contributes one electron to the bond. However, in a double bond, like the one between carbon and oxygen in methanal, each atom contributes two electrons, for a total of four electrons.
So, the answer is B. 4.
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