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Thermodynamics question

2001 · Q115
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Thermodynamics question

2001 · Q115

NEETChemistryThermodynamicsMCQ+4 / −1
Change in enthalpy for reaction,

2H2O2(l) →\to→ 2H2O(l) + O2(g)

if heat of formation of H2O2(l) and H2O(l) are −-−188 and - 286 kJ/mol respectively, is
  1. A
    −-− 196 kJ/mol
  2. B
    + 196 kJ/mol
  3. C
    +948 kJ/mol
  4. D
    −-− 948 kJ/mol
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