4. \( xg \) of \( Zn \) metal was mixed with \( 2 \times g \) of iodine to form \( Znl z _{2} \). Which of the reactant will remain in excess and what fraction of it remain unreacted? (Atomic weight of \( Zn =65, l =127 \) )
(A) \( Zn , 0.75 \)
(B) \( I_{2}, 0.48 \)
(C) \( Zn , 0.48 \)
(D) \( I_{2}, 0.75 \)