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If two gases AB(2) and B(2)C are mixed, ...

If two gases `AB_(2)` and `B_(2)C` are mixed, following equilibria are readily established:
`AB_(2)(g)+B_(2)C(g)rarr AB_(3)(g)+BC(g)`,
`BC(g)+B_(2)C(g) rarr B_(3)C_(2)(g)`
If the reaction is started only with `AB_(2)` with `B_(2)C`, then which of the following us necessarily true at equilibrium?

A

`[AB_(3)]_(eq)=[BC]_(eq)`

B

`[AB_(2)]_(eq)=[B_(2)C]_(eq)`

C

`[AB_(3)]_(eq)gt [B_(3)C_(2)]_(eq)`

D

`[AB_(3)]_(eq)gt [BC]_(eq)`

Text Solution

Verified by Experts

The correct Answer is:
C, D
`AB_(2)(g)+B_(2)(g)hArrAB_(3)(g)+BC(g)`
`{:(x,y,,0,0),(x-z,y-z,,z,z):}`
`[AB_(3)]=z,[B_(3)C_(2)]=a(z gt a)`
`[BC]=z-a lt z`
`BC(g)+B_(2)ChArrB_(3)C_(2)(g)`
`{:(z,,y-z,,),(z-a,,y-z-z,,a):}`
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