Which chemical equation is balanced?

Question

Answer options with 4 options
A.
Upper F e plus Upper O Subscript 2 yields Upper F e Subscript 2 Upper O Subscript 3

B.
2 Upper F e plus Upper O Subscript 2 yields Upper F e Subscript 2 Upper O Subscript 3

C.
2 Upper F e plus 3 Upper O Subscript 2 yields Upper F e Subscript 2 Upper O Subscript 3

D.
4 Upper F e plus 3 Upper O Subscript 2 yields 2 Upper F e Subscript 2 Upper O Subscript 3

Answer 1

B. 2 Fe + O2 -> 2 FeO