Question #ea3f9

1 Answer
Mar 21, 2017


Acetylene has an IUPAC name of ethyne. There are two carbon atoms (since the beginning of the name is 'eth') and there is a triple bond between these two carbon atoms ( since the name ends with 'yne').

That means each carbon atom shares three electrons with the other carbon atom. As a result of sharing, the outermost shell has now 4 electrons of its own, 3 electrons of the other carbon atom. One of the outermost electrons is unpaired. It is shared by a hydrogen atom. This electron from hydrogen completes the octet of the carbon atom.

The same happens with the other carbon atom as well. Hence the formula is #C_2H_2#.
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