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For hypothetical reversible reaction 1...

For hypothetical reversible reaction
`1//2A_(2)(g) +3//2B_(2)(g) rarr AB_(3)(g), DeltaH =- 210 kJ `if standard entropies of `A_(2),B_(2)`, and `AB_(3)` are `60,40` and `50JK^(-1) mol^(-1)` respectively. The above reaction will be equilibrium at

A

`400K`

B

`500K`

C

`250K`

D

`200K`

Text Solution

Verified by Experts

At equilibrium, `DeltaS_("total") = 0`
`:. S_(P)^(Theta) - S_(R)^(Theta) = 0`
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Knowledge Check

  • For a reversible reaction : X_((g))+3Y_((g))iff2Z_((g)), DeltaH=-40kJ the standard entropies of X, Y and Z are 60, 40 and 50 JK^(-1) mol^(-1) respectively. The temperature at which the above reaction attains equilibrium is about

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  • For reversible reaction : X_((g))+3Y_((g))hArr 2Z_((g)), DeltaH=-"40 kJ" Standard entropies of X, Y and Z are 60, 40and "50 J K"^(-1)",ol"^(-1) respectively. The temperature at which the above reaction is in equilibrium is

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