On the basis of the following thermochemical data: (Δ f G^(o)H⁺ (aq) = 0) H₂O(l) → H⁺(aq) + OH⁻(aq); Δ H = 57.32 kJ H₂(g) + 1/2 O₂(g) → H₂O(l); Δ H = -286.20 kJ The value of enthalpy of formation of OH^− ion at 25^(o)C is:

Chemical Thermodynamics: JEE Main 2009 Chemistry question

JEE Main 2009 · Annual, Paper 1 · Q2343

JEE Main 2009Annual, Paper 1ChemistryHardChemical Thermodynamics84× since 2002

On the basis of the following thermochemical data : (

\Delta _fG^oH^+_{(aq)}

= 0) H₂O(l)

\to

H⁺(aq) + OH⁻(aq);

\Delta H

= 57.32 kJ H₂(g) +

{1 \over 2} O_2(g) \to

H₂O(l);

\Delta H

= -286.20 kJ The value of enthalpy of formation of OH^− ion at 25^oC is :

JEE Main 2009 Chemical Thermodynamics Question with Solution (Annual Paper 1, Q2343) | JEE Arc