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JEE Main Chemistry question

ChemistryThermodynamicsJEE Main

Given, ; , and HCN(aq)+OH^-(aq) \rightarrow H_2O(l)+CN^-(aq); . The energy of dissociation of HCN (i.e., for ) is

Answer: (A)

Solution

Reversing the first equation gives , . Adding this to the

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Question ID VK-134782