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JEE Main Chemistry question

ChemistryThermodynamicsJEE Main

Given, NH_3(g)+3Cl_2(g) \rightleftharpoons NCl_3(g)+3HCl(g); ; ; The heat of formation of in terms of is

Answer: (D)

Solution

Let , , . From reaction 1: . From reaction 2: . From reaction 3: . Substituting, $b=a-3c-Δ

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Question ID VK-135255