- 1(current)
Q. No.Given the standard enthalpies of the gas-phase reactions of hydrogen sulphide, what is the standard enthalpy of reaction for the gas-phase combustion of carbon disulphide?
1. –450.4 kJ mol–1
2. –586.0 kJ mol–1
3. –968.6 kJ mol–1
4. –1104.2 kJ mol–1
| Reaction | Δ Hºrxn, kJ mol–1 |
| H2S + 1.5O2 → SO2 + H2O | –518.2 |
| 2H2S + CO2 → CS2 + 2H2O | 67.8 |
| CS2 + 3O2 → CO2 + 2SO2 | ??? |
2. –586.0 kJ mol–1
3. –968.6 kJ mol–1
4. –1104.2 kJ mol–1
Subtopic: Hess's Law |
73%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
- 1(current)
Q. No.
© 2025 GoodEd Technologies Pvt. Ltd.