Question

$Z-$ isomer $\overset{y}{\longleftarrow} 2-$ butyne $\overset{x}{\longrightarrow } E -$ isomer x,y respectively are:

• A. $Na / NH _{3( liq )}$ and $Pd / BaSO _{4}+ H _{2}$
• B. $Ni / 140^{\circ} C$ and $Pd / BaSO _{4}+ H _{2}$
• C. $Ni / 140^{\circ} C$ and $Na / NH _{3( liq )}$
• D. $BaSO _{4}+ H _{2}$ and $Na / NH _{3( aq )}$

Answer 1

Answer: (A)

Correct answer is (a) $Na / NH _{3( liq )}$ and $Pd / BaSO _{4}+ H _{2}$