Which ofthe following alkynes on treatment with H_2 92 mole)/pt gives an optically inactive compound ?

Which ofthe following alkynes on treatment with H_2 92 mole)/pt gives

1.	Which ofthe following alkynes on treatment with H_2 92 mole)/pt gives an optically inactive compound ?
Answer» 3-methyl-1-pentyne 4-methyl-1-hexyne 3-methyl-1-heptyne NONE of these SOLUTION :