InterviewSolution
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InterviewSolution
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From the following data at`25^(@)C` `{:(Reaction ,Delta_(r)H^(o)kJ//mol),((1)/(2)H_(2)(g)+(1)/(2)O_(2)(g)toOH(g),42),(H_(2)(g)+(1)/(2)O_(2)(g)to H_(2)O(g),-242),(H_(2)(g)to 2H(g),436),(O_(2)(g)to2O(g),495):}` Which of the following Statement (s) is /are Correct: StatementA:`Delta_(r)H^(@) "for the reaction"` `H_(2)O(g)to2H(g)+O(g)"is 925.5kJ/mol"` Statement B:`Delta_(r)H^(@) "for the reaction"` `H_(2)O(g)toH(g)+O(g)"is 423.5kJ/mol"` Statement C:Enthalpy of formation of H(g) is-218 kJ/mol Statement D: Enthalpy of formation of OH(g) is 42 kJ/molA. Statement CB. Statement A,B,DC. Statement B,CD. Statement A,B only |
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Answer» Correct Answer - b |
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