How many sigma bonds are there in C2H2?

  • How does sigma(##sigma##) bonds form?
  • They are formed due to linear overlapping of

    • ## S-S##orbitals
    • ##S-P## orbitals
    • ##P-P## orbitals
  • And , when two hybrid orbitals are linearly overlapped the result is a ##sigma## bond.

  • So in ##C_2H_2## ,there is a triple bond between ##02## carbon atoms ,one is a ##sigma## bond and others are ##pi ## bonds.

  • And there is two other , which are formed with hydrogen. Formation of ##sigma## bond in that triple bond is a result of linear overlapping of two ##sp## hybrid orbitals.

  • Here is an orbital diagram of ##C_2H_2##

  • Therefore total no. ##sigma## bonds in ##C_2H_2##( Acetylene) is ##03##.

====(Formation of ##C_2H_2## in sense of orbitals)

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  • So I hope that this is helpful.

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