For the gas phase reactions PCl(5)(g) hA...

For the gas phase reactions `PCl_(5)(g) hArr PCl_(3)(g) + Cl_(2)(g)`
Which of the following conditions are correct

A

`Delta H lt 0 and Delta s lt 0`

B

`Delta H gt 0 and Delta S lt 0`

C

`Delta H= 0 and Delta S lt 0`

D

`Delta H gt 0 and Delta S gt 0`

Verified by Experts

The correct Answer is:

D

This is an endothermic reaction, So, `Delta S gt 0`.
Since, number of moles in the product side is more
So, `Delta S gt 0`

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