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The heat of combustion of yellow phoshph...

The heat of combustion of yellow phoshphorus and red phosphorus are `-9.91KJmol^(-1)` and `-8.78` KJ/mol respectivaly. The heat of transition from yellow phosphrous to red phosphorus is

A

`-18.69` KJ

B

`+1.13` KJ

C

`+18.69` KJ

D

`-1.13` KJ

Text Solution

Verified by Experts

The correct Answer is:
D
`P_("Yellow")rarr P_("Red"),Delta H_("Transition")= ?`
`Delta H_("Transition")=Sigma (Delta H_("Comb")_(R )-Sigma (Delta H_("Comb"))_(P)`
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