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Question

500 ml of 1 M HCN is neutralised completely by 500ml of 1 M KOH solution and 1.36 kcal of heat is liberated. The ΔH of dissociation of HCN is:


A
10.98 kcal/mol
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B
-10.98 kcal
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C
12.305 kcal/mol
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D
8.12 kcal/mol
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