JEE Main 2009 Chemistry question
On the basis of the following thermochemical data:
) → + ;\ Δ H = 57.32\ kJ
+ → );\ Δ H = -286.20\ kJ
The value of enthalpy of formation of ion at 25°C is:
Answer: (2)
Solution
Adding the two equations: , $Δ H = -286.20 +
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