MCQ
For which of the following reaction, product formation is favoured at low pressure and low temperature ?
- A$C{O_2}(g) + C(s)\, \rightleftharpoons \,2CO(g)\,\,;\,\,\Delta {H^o} = {\text{172}}{\text{.5 kJ}}\,$
- B$CO(g) + 2{H_2}(g)\, \rightleftharpoons \,C{H_3}OH(g)\,\,;\,\,\Delta {H^o} = - 21.7\ kJ$
- ✓$2{O_3}(g)\, \rightleftharpoons \,3{O_2}(g)\,\,;\,\,\Delta {H^o} = - 285\ kJ$
- D${H_2}(g) + {F_2}(g)\, \rightleftharpoons \,2HF(g)\,\,;\,\,\Delta {H^o} = - 541\ kJ$
