Complete the following reactions:
$(1)$ $CH \equiv CH + 2H_2 \xrightarrow[523-573 \ K]{Ni} ?$
$(2)$ $CH_3-C \equiv CH + 2H_2 \xrightarrow[or \ Ni, \Delta]{Pd \ or \ Pt} ?$
$(1)$ $CH \equiv CH + 2H_2 \xrightarrow[523-573 \ K]{Ni} ?$
$(2)$ $CH_3-C \equiv CH + 2H_2 \xrightarrow[or \ Ni, \Delta]{Pd \ or \ Pt} ?$
(N/A) The reaction involves the catalytic hydrogenation of alkynes to alkanes using hydrogen gas in the presence of a metal catalyst like $Ni$,$Pd$,or $Pt$.
$(1)$ $CH \equiv CH + 2H_2 \xrightarrow[523-573 \ K]{Ni} CH_3-CH_3$ (Ethane)
$(2)$ $CH_3-C \equiv CH + 2H_2 \xrightarrow[or \ Ni, \Delta]{Pd \ or \ Pt} CH_3-CH_2-CH_3$ (Propane)
$(1)$ $CH \equiv CH + 2H_2 \xrightarrow[523-573 \ K]{Ni} CH_3-CH_3$ (Ethane)
$(2)$ $CH_3-C \equiv CH + 2H_2 \xrightarrow[or \ Ni, \Delta]{Pd \ or \ Pt} CH_3-CH_2-CH_3$ (Propane)
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