Q. When 2-butyne is treated with $Pd - BaSO_{4}$; the product formed will be
A) $cis$-2-butene
B) $trans$-2-butene
C) 1-butene
D) 2-hydroxy butane
Explanation
(a)
Hydrogenation in presence of $Pd\ and\ BaSO_{4}$ as $syn$ addition and with $Na\ and\ liquid\ NH_{3}$ at 200 K is anti addition ($trans$ compounds are formed.)
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Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.