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Answer the following question (Based on ...

Answer the following question (Based on `EA, Delta_(eg)H^(ɵ)` and `IE`).
`IE_(1)` of `Li` is `5.4 eV "atom"^(-1)` and the `EA` of `Cl` is `3.6 eV "atom"^(-1)`. Calculate `Delta_( r)H^(ɵ)` in `"kcal mol"^(-1)` and `kJ mol^(-1)` for the reaction
`Li_((g))+Cl_((g)) rarr Li_((g))^(o+)+Cl_((g))^(ɵ)`
formed at such a low pressure that resulting ions do not combine with each other.

A

`49.43` kcal/mol

B

`41.51` kcal/mol

C

`71.82` kcal/mol

D

`11.76` kcal/mol

Text Solution

Verified by Experts

The correct Answer is:
B
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