1.
Identify the alkyne in the following sequence of reactions:

AlkyneLindlar’s catalyst, H2AOzonolysisB only\text{Alkyne} \xrightarrow{\text{Lindlar's catalyst, } H_2} A \xrightarrow{\text{Ozonolysis}} \text{B only}

CH2=CH2Wacker processBCH_2=CH_2 \xrightarrow{\text{Wacker process}} \text{B}