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What is heat of submisation of P(4)O(6)(...

What is heat of submisation of `P_(4)O_(6)(s)?`
Given heat of sublimation of `P_(4)o_(6)` is x KJ/mol and `P-O` bond energy is y KJ/mol.

A

x+6y

B

x+y

C

x+8y

D

x+12y

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The correct Answer is:
d
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White phosphorus is a tetra atomic solid [P_(4)(s)] at room temperature and on strong heating in absence of oxyge, it polymerizes into red phosphorus as: /_\H=-104kJ//"mol" of P_(4) The enthalpy of sublimation [P_(4)(s)toP_(4)(g)] white is 59KJ//"mol" and enthalpy of atomization is 1265 KJ//"mol" of P(g) The average P-P bond enthalpy in P_(4) molecule is:

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The heats of atomization of PH_(3)(g) and P_(2)H_(4)(g) are 954 kJ "mol"^(-1) and 1485kJ"mol"^(-1) respectivel. The P-P bond energy in kJ"mol"^(-1) is

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