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Given the bond energies of H - H and Cl ...

Given the bond energies of `H - H` and `Cl - Cl` are `430 kJ mol^(-1)` and `240 kJ mol^(-1)`, respectively, and `Delta_(f) H^(@)` for `HCl` is `- 90 kJ mol^(-1)`. Bond enthalpy of `HCl` is

A

245 kJ `mol^(-1)`

B

290 kJ `mol^(-1)`

C

380 kJ `mol^(-1)`

D

425 kJ `mol^(-1)`

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The correct Answer is:
D
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