Which of the following reagents will quantitatively distinguish between 1-butyne and 2-butyne?

Which reagent will quantitatively distinguish between butyne-1 and butyne-2?

Which of the following reagents will be able to distinguish between 1- butyne and 2- butyne ?

Which of the following reagents will be able to distinguish between 1- butyne and 2- butyne ?

Which of the following reagents will be able to distinguish between 1 - butyne and 2 - butyne? NaNH_2' HCl' O_2' Br_2'