What are X and Y respectively in the following reaction?
`Z-pro duct overset(Y)larr 2-butyn eoverset(X)toE - pro duct `

Options

A. ` Na//NH_(3) (liq.) and Pd//BaSO_(4)+H_(2)`
B. ` Ni// 140^(@)C and Pd//BaSO_(4)+H_(2)`
C. `Ni//140^(@)C and Na//NH_(3)(liq.)`
D. `Pd//BaSO_(4)+H_(2) and Na//NH_(2)(liq.)`

Answer

A

Explanation

therefore the reagents X and Y are Na, `NH_(3)`(liq)and` Pd//BaSo_(4)`+`H_(2)` respectively.