What kind of bond is there between carbons in #H_2C_2#?

1 Answer
Jan 9, 2017

The bond between the carbon atoms in the compound #"H"_2"C"_2"#, or #"C"_2"H"_2"#, is a triple covalent bond.

Explanation:

#"C"_2"H"_2"# is called ethyne (systematic name) or acetylene (common name). Ethyne contains two triple bonded carbon atoms, as indicated by the suffix (-yne).

The diagram below represents the structural formula for #"C"_2"H"_2"#. Each line represents a covalent bond.
https://www.boundless.com/chemistry/textbooks/boundless-chemistry-textbook/advanced-concepts-of-chemical-bonding-10/valence-bond-theory-81/hybridization-in-molecules-containing-double-and-triple-bonds-364-5140/