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For the gaseous reaction K+F rarrK^(o+...

For the gaseous reaction
`K+F rarrK^(o+)+F^(ɵ)`
`Delta H = 19 kcal mol^(-1)` under the condition when cations and anions are prevented by electrostatic separation from combining with each other. The `IE_(1)` of `K` is `4.3 eV`. Calculate `Delta_("eg")H^(ɵ)` of `F`.

A

`2.33 eV `

B

`3.48 eV `

C

`5.55 eV `

D

`7.03 eV `

Text Solution

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The correct Answer is:
B
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