Match Every Binary Compound with the Correct Coefficient of X

Match every binary compound with the correct coefficient of x and y .
-CxOy

A) x = 2, y = 1
B) x = 1, y = 2
C) x = 2, y = 3
D) x = 4, y = 1
E) x = 1, y = 1 or x =1, y = 2
F) x = 3, y = 2
G) x = 1, y = 3
H) x = 1, y = 4
I) x = 3, y = 1
J) x = 1, y = 1