64 gm of dioxygen combines with 8 gm of dihydrogen to form 72 gm of compound ‘Y’. 2 gm of dihydrogen combine with 32 gm of oxygen to form 34 gm of compound ‘X’. 

(All reaction are 100 $\%$ yield and no limiting reagent) Atomic mass of H and O are 1 u and 16 u respectively. Select the correct statement(s).