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If DeltaH(f)^(@) of Icl(g), Cl(g) and I(...

If `DeltaH_(f)^(@)` of `Icl(g)`, `Cl(g)` and `I(g)` is `17.57`, `121.34` and `106.96 J mol^(-1)` respectively. Then bond dissociation energy of `I-Cl` bond is

A

`35.15 J mol^(-1)`

B

`106.69 J mol^(-1)`

C

`210.73 J mol^(-1)`

D

`420.9J mol^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
C

Consider the reaction
`Icl to I(g)+Cl(g)`
`DeltaH=DeltaH_(f)(l)+DeltaH_(f)(Cl)-DeltaH_(f)(Icl)`
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DINESH PUBLICATION-CHEMICAL THERMODYNAMICS AND CHEMICAL ENERGETICS -Exercise
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