BITSAT 2012 Paper

Section: Chemistry

Question : 46 of 150

Marks: +1, -0

In which of the following reactions, standard entropy change (ΔS°) is positive and standard Gibb’s energy change (ΔG°) decreases sharply with increasing temperature ?

C (graphite) +
1
2
O2 (g) → CO (g)
CO (g) +
1
2
O2 (g) → CO (g)
Mg(s) +
1
2
O2 (g) → MgO (s)
1
2
C (graphite) +
1
2
O2 (g) →
1
2
CO2 (g)

Validate

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