1.

Which of the following pairs has heat of neutralisation equal to 13.7 Kcals             [DCE  2003]

A.                 \[HCl,\,N{{H}_{4}}OH\] 
B.                 \[HN{{O}_{3}},\,KOH\]
C.                 \[NaOH,\,C{{H}_{3}}COOH\]      
D.                 \[{{H}_{2}}S{{O}_{4}},\,N{{H}_{4}}OH\]
Answer» C.                 \[NaOH,\,C{{H}_{3}}COOH\]      


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