A triple bond consists of one pie bond and two Sigma bonds. This is false.
A triple bond in an alkyne consists of one sigma bond and two pi bonds. As a result of the geometry of the sp hybrid orbitals, the two carbon atoms of the triple bond and the two atoms directly attached are collinear.
A triple bond consists of two pi bonds and one sigma bond. A double bond contains one sigma and one pi bond. Single bonds are always sigma bonds.
Triple bond: A covalent bond of bond order = 3, consisting of six electrons; one pair in a sigma bond and the other pairs in pi bonds.
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