A) \[57.3\,kJ\]
B) \[2\times 57.3\,kJ\]
C) \[57.3/2\,kJ\]
D) cannot be predicted
Correct Answer: B
Solution :
\[\because \]1 mol of \[{{H}_{2}}S{{O}_{4}}=2g\]equivalent of \[{{\text{H}}_{\text{2}}}\text{S}{{\text{O}}_{\text{4}}}\] Hence, when 1 mol of \[{{\text{H}}_{\text{2}}}\text{S}{{\text{O}}_{\text{4}}}\]is mixed with 2 moles of \[\text{NaOH,}\]the heat evolved will be \[\text{2}\times \text{57}\text{.3}\,\text{kJ}\text{.}\]
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