a) \(CH\equiv CH+H_2\xrightarrow[PbCO_3]{Pd}CH_2=CH_2\)
b) \(CH\equiv CH+2H_2\xrightarrow[t^o]{Ni}CH_3-CH_3\)
c) \(CH\equiv CH+2Br_2\rightarrow CHBr_2-CHBr_2\)
d) \(CH\equiv CH+2HCl\xrightarrow[xt]{t^o}CHCl_2-CH_3\)
e)\(CH\equiv CH+2AgNO_3+2NH_3\rightarrow AgC\equiv CAg+2NH_4NO_3\)