Which single replacement chemical equation is ,begin emphasis,unbalanced,end emphasis,?
Answer options with 5 options
A.
Upper M g plus 2 Upper H Upper C l yields Upper M g Upper C l Subscript 2 plus Upper H Subscript 2
B.
Upper C l Subscript 2 plus Upper N a Upper B r yields Upper N a Upper C l plus Upper B r Subscript 2
C.
Upper Z n plus Upper C u Upper F Subscript 2 yields Upper Z n Upper F Subscript 2 plus Upper C u
D.
Upper N i Upper F Subscript 2 plus 2 Upper N a yields Upper N i plus 2 Upper N a Upper F
E.
2 Upper A l plus Upper F e Subscript 2 Upper O Subscript 3 yields Upper A l Subscript 2 Upper O Subscript 3 plus 2 Upper F e
The single replacement chemical equation that is unbalanced is option E:
2 Upper A l plus Upper F e Subscript 2 Upper O Subscript 3 yields Upper A l Subscript 2 Upper O Subscript 3 plus 2 Upper F e