When $2-$butyne is treated with $H_2/$ Lindlar's catalyst,compound $X$ is produced as the major product and when treated with $Na/liq. NH_3$ it produces $Y$ as the major product. Which of the following statements is correct?

• A
  $Y$ will have higher dipole moment and higher boiling point than $X$
• B
  $Y$ will have higher dipole moment and lower boiling point than $X$
• C
  $X$ will have lower dipole moment and lower boiling point than $Y$
• D
  $X$ will have higher dipole moment and higher boiling point than $Y$