1.

The heat of neutralisation of a strong acid and a strong alkali is 57.0 kJ mol^(-1). The heat releaed when 0.5 mole of HNO_(3) solution is mixed with 0.20 mole of KOH solution is

Answer»

57.0 kJ
11.4 kJ
28.5 kJ
34.9 kJ

Solution :NaOH is the LIMITING REACTANT and the enthalpy of neutralisation is to be CALCULATED for 0.2 mole of NaOH and 0.2 mole of `HNO_(3)` as `5.70xx0.2=11.4kJ`


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