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Enthalpy of sublimation of a substance i...

Enthalpy of sublimation of a substance is equal to :

A

enthalpy of fusion+enthalpy of vaporisation

B

enthalpy of fusion

C

enthalpy of vaporisation

D

twice the enthalpy of vaporisation

Text Solution

Verified by Experts

The correct Answer is:
A
`DeltaH_("sublimation")=DeltaH_("fusion")+DeltaH_("vaporisation")`
`DeltaGlt0` (For spon taneous process)
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