Show how the following transformations can be accomplished.
(i) oct-2-yne to cis-oct-2-ene.
(ii) hex-2-yne to trans-hex-2-ene.

Transformation of oct-2-yne to cis-oct-2-ene using H2SO4.

Transformation of hex-2-yne to trans-hex-2-ene using NH3.

Transformation of oct-2-yne to cis-oct-2-ene using H2 and Lindlar's catalyst.

Transformation of hex-2-yne to trans-hex-2-ene using Na and NH3.

Show how the following transformations can be accomplished.(i) oct-2-yne to cis-oct-2-ene.(ii) hex-2-yne to trans-hex-2-ene.