The following facts have been observed:
`2X^(-)+Y_(2)rarr2Y^(-)+X_(2)`
`2W^(-)+Y_(2)rarr` No reaction `2Z^(-)+X_(2)rarr2X^(-)+Z_(2)`
Which of the following sequence is true?

Options

A. `E^(@)w^(-)//w_(2)gtE^(@)Y^(-)//Y_(2)gtE^(@)X^(-)X_(2)//gtE^(@)Z^(-)//z_(2)`
B. `E^(@)w^(-)//w_(2)ltE^(@)Y^(-)//Y_(2)ltE^(@)X^(-)X_(2)//ltE^(@)Z^(-)//z_(2)`
C. `E^(@)w^(-)//w_(2)ltE^(@)Y^(-)//Y_(2)gtE^(@)X^(-)X_(2)//ltE^(@)Z^(-)//z_(2)`
D. `E^(@)w^(-)//w_(2)gtE^(@)Y^(-)//Y_(2)ltE^(@)X^(-)X_(2)//ltE^(@)Z^(-)//z_(2)`

Answer

B