Final answer:
The transformation of vicinal dihalides into terminal alkynes involves a chemical process called dehalogenation, which requires two steps with the removal of two halogen atoms using a strong base.
Step-by-step explanation:
The chemical process involved in the transformation of vicinal dihalides into terminal alkynes is dehalogenation. This process typically involves two steps, where two equivalents of a strong base like sodium amide (NaNH2) are used to remove two halogen atoms from adjacent carbons, resulting in the formation of an alkyne with a triple bond at the terminal position. The first step removes one halogen and one hydrogen as a hydrogen halide, forming an alkene. Then a second base molecule removes the second halogen and another hydrogen to form the alkyne.
The chemical process involved in the transformation of vicinal dihalides into terminal alkynes is c) Dehalogenation. Dehalogenation reaction is the removal of halogen atoms from a molecule, resulting in the formation of alkynes. This process is often carried out using a strong base, such as sodium amide (NaNH2), which abstracts the acidic hydrogen from the molecule.