Chiral molecule, tetrahedral arrangements of the enantiomers should be identified for molecular formula of alkyne.
Isomer: Molecule has same molecular formula but different structural arrangement is called isomer.
Chiral: Absence of a plane of symmetry or a center of symmetry is called chiral molecule, a non-superimposable on its mirror image is called chiral. A carbon atom is attached by the four different groups is called chiral carbon.
Enantiomers: Two stereoisomers that are mirror images of each other and they are non-supposable.
Diastereomers: Two stereoisomers that are non-mirror images of each other and they are non-supposable