Question

Class 11th Chemistry:-

If heat of atomization of PCI5 is x kJ mol-1 then average bond
dissociation enthalpy P-Cl bond is?
Refer to the Options given in the attachment !
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Give answer with reference to the option :)

Answer 1

Answer:

x/5

Explanation:

we have to break 5 p-cl bonds

so x/5

Answer 2

Answer:

x/5

Explanation:

In the compound PCl5 , i.e. , phosphoros pentachloride , there are 5 P-Cl bonds and all 5 bonds require x kJ per mole . Hence a single P-Cl requires an average bond dissociation enthalpy of x/5 kJ per mole for a single bond of P-Cl bond.