The heats of combustion of yellow phosphorus and red phosphorous are - `9.19 KJ` and - `8.78 KJ` respectively, then heat of transition of yellow phosp
The heats of combustion of yellow phosphorus and red phosphorous are - `9.19 KJ` and - `8.78 KJ` respectively, then heat of transition of yellow phosphorus to red phosphorous is
5 views
1 Answers
(i) `P_(4) ("yellow")+5O_(2)(g) rarr P_(4)O_(10)+9.19 kJ`
(ii) `P_(4) ("red")+5O_(2)(g) rarr P_(4)O_(10)+8.78 kJ`
Subtracting, `P_(4) ("yellow")-P_(4) ("red")=1.13 KJ`
`rArr P ("yellow")=P_(4) ("rad")+1.13 KJ`
So, heat of transition of yellow to red phosphorus is `-1.13 KJ`
5 views
Answered