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Thermodynamics question

2012 · Q117
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Thermodynamics question

2012 · Q117

NEETChemistryThermodynamicsMCQ+4 / −1
In which of the following reactions, standard reaction entropy change (Δ\DeltaΔSo) is positive and standard Gibb's energy change (Δ\DeltaΔGo) decreases sharply with increasing temperature ?
  1. A
    C(graphite) + 12{1 \over 2}21​O2(g) →\to→ CO(g)
  2. B
    CO(g) + 12{1 \over 2}21​O2(g) →\to→ CO2(g)
  3. C
    Mg(s) + 12{1 \over 2}21​O2(g) →\to→ MgO(g)
  4. D
    12{1 \over 2}21​C(graphite) + 12{1 \over 2}21​O2(g) →\to→ 12{1 \over 2}21​CO2(g)
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