Given below are two statements:
Statement-I: One mole of propyne reacts with excess of sodium to liberate half a mole of \( \mathrm{H_2} \) gas.
Statement-II: Four of propyne reacts with \( \mathrm{NaNH_2} \) to liberate \( \mathrm{NH_3} \) gas which occupies \( 224 \, \mathrm{mL} \) at STP.
In the light of the above statements, choose the most appropriate answer from the options given below:
