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For the gas phase reaction, PCl(5)(g)r...

For the gas phase reaction,
`PCl_(5)(g)rarrPCl_(3)(g)+CL_(2)(g)`
Which of the following conditions are correct?

A

`DeltaHgt0`` and `DeltaSgt0`

B

`DeltaHlt0`` and `DeltaSlt0`

C

`DeltaHgt0`` and `DeltaSgt0`

D

`Delta=0` and `DeltaSlt0`

Text Solution

Verified by Experts

The correct Answer is:
C
`DeltaH=+ve` and `DeltaS=+ve` . The disored increases with increase in moles.
`PCl_(5) hArr PCl_(3) +Cl_(2), DeltaH=+ve` (disordered)
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