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White phosphorus is a tetra atomic solid...

White phosphorus is a tetra atomic solid `P_(4) (s)` at room temperature. Find average `(P-P)` bond enthalpy (in KJ/mol).
`{:("Given",DeltaH_("sublimation") "of" P_(4)(s)=59 KJ//mol,),(,DeltaH_("atomizatiom") "of" P_(4)(s) = 1265 KJ//mol,):}`

A

201

B

1206

C

`301.5`

D

`210.83`

Text Solution

Verified by Experts

The correct Answer is:
A
Average `(P-P)` bond enthalpy
`=(1265-59)/(6)=201 KJ//mol`
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White phosphorus is a tetra-atomic solid P_(4) (s)at room temperature. find bond enthalpy (P-P) in kJ//mol. Given : DeltaH_("sublimation") of P_(4) (s)= 61 kL//mol DeltaH_("atomisation") of P_(4) (s)= 1321 kJ//mol]

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