Assertion: Ethyne reacts with sodium metal and sodamide to form sodium acetylide with the liberation of dihydrogen gas. Reason: Alkynes are highly unsaturated.

Assertion: Ethyne reacts with sodium metal and sodamide to form sodium

1.	Assertion: Ethyne reacts with sodium metal and sodamide to form sodium acetylide with the liberation of dihydrogen gas. Reason: Alkynes are highly unsaturated.
Answer» If both ASSERTION and reson are true and reason is the CORRECT explanation of assertion If both assertion and reason are true but reason is not the correct explanation of assertion. If assertion is true but reason is false. If both assertion and reason are false. Solution :Hydrogen atoms in ethyne `(HC-=CH)` are attached to the sp hybridised CARBON atoms which is more electronegative. THUS, hydrogen atom can be liberated as proton more easily and ethyne behaves as an acid.