The reaction, MgO(s) + C(s) → Mg(s) + CO(g), for which Δ r H^(o) + 491.1 kJ mol^–1 and Δ r S^(o) = 198.0 JK^–1 mol^–1, is not feasible at 298 K. Temperature above which reaciton will be feasible is:

Chemical Thermodynamics: JEE Main 2019 Chemistry question

JEE Main 2019 · 11 Jan, Evening shift · Q2302

JEE Main 201911 Jan, Evening shiftChemistryMediumChemical Thermodynamics84× since 2002

The reaction, MgO(s) + C(s)

\to

Mg(s) + CO(g), for which

\Delta

_rH^o + 491.1 kJ mol^–1 and

\Delta

_rS^o = 198.0 JK^–1 mol^–1, is not feasible at 298 K. Temperature above which reaciton will be feasible is :