Assertion. 2-Butyne on controlled hydrogenation with Pd//CaCO_3 in presence of PbO gives cis-2-butene Reason. Hydrogenation occurs at the surfaces of metal containing adsorbed hydrogen.

Assertion. 2-Butyne on controlled hydrogenation with Pd//CaCO_3 in pre

1.	Assertion. 2-Butyne on controlled hydrogenation with Pd//CaCO_3 in presence of PbO gives cis-2-butene Reason. Hydrogenation occurs at the surfaces of metal containing adsorbed hydrogen.
Answer» If both ASSERTION and REASON are TRUE, and reason is the true EXPLANATION of the assertion. If both assertion and reason are true, but reason is not the true explanation of the assertion. If assertion is true, but reason is false. If both assertion and reason are false Answer :A