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Most Important Selected Qs for JEE AdvancedChemistryThermodynamics (C)

In solid NH ₃ , each NH ₃ molecule has six other NH ₃ molecules as nearest neighbours. The enthalpy of sublimation of NH ₃ (s) at its melting point is 30.4 ~kJ ~mol ⁻¹ and the estimated value of enthalpy of sublimation of NH ₃( ~s ) , when there were no hydrogen bonds, is 15.4 ~kJ ~mol ⁻¹ . What is the average strength of hydrogen bonds in solid NH ₃ in kJ mol ⁻¹ ?

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0005

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