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Thermodynamics question

2009 · Shift 0 · Q7
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Thermodynamics question

2009 · Shift 0 · Q7

JEE MainChemistryThermodynamicsMCQ+4 / −1
On the basis of the following thermochemical data : (ΔfGoH(aq)+\Delta _fG^oH^+_{(aq)}Δf​GoH(aq)+​= 0) H2OH_2OH2​O(l) →\to→ H+H^+H+(aq) + OH−OH^-OH−(aq); ΔH\Delta HΔH= 57.32 kJ H2H_2H2​(g) +12O2(g)→{1 \over 2} O_2(g) \to21​O2​(g)→ H2OH_2OH2​O(l); ΔH\Delta HΔH = -286.20 kJ The value of enthalpy of formation of OH−OH^-OH− ion at 25oC is :
  1. A
    -22.88 kJ
  2. B
    -228.88 kJ
  3. C
    +228.88 kJ
  4. D
    -343.52 kJ
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