Find the enthalpy of `S-S` bond from the following data. `{:((i),C_(2)H_(5)-S-C_(2)H_(5) (g),Delta_(f)H^(@)=-147.2" kJ/mol"),((ii),C_(2)H_(5)-S-S-C_(2

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Find the enthalpy of `S-S` bond from the following data. `{:((i),C_(2)H_(5)-S-C_(2)H_(5) (g),Delta_(f)H^(@)=-147.2" kJ/mol"),((ii),C_(2)H_(5)-S-S-C_(2

Find the enthalpy of `S-S` bond from the following data.
`{:((i),C_(2)H_(5)-S-C_(2)H_(5) (g),Delta_(f)H^(@)=-147.2" kJ/mol"),((ii),C_(2)H_(5)-S-S-C_(2)H_(5)(g),Delta_(f)H^(@)=-201.9" kJ/mol"),((iii),S(g),Delta_(f)H^(@)=222.8" kJ/mol"):}`

Monjur Alahi

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2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - 277.5 kJ/mol
`C_(2)H_(5) - S - C_(2) H_(5) + S rarr C_(2)H_(5) - S - S - C_(2) H_(5)`
`Delta H = B.E.` of `S - S` bond
`= - 201.9 - [222.8 - 147.2] = - 277.5`

11 views Answered 2023-02-05 15:29