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MHT CET202415 May 2024Morning ShiftChemistryThermodynamics (C)Actual

Under similar conditions enthalpy of freezing is exactly opposite to

Options

  1. Aenthalpy of fusion
  2. Benthalpy of vaporization
  3. Centhalpy of solution
  4. Denthalpy of atomization

Correct answer

A. enthalpy of fusion

Step-by-step solution

For the reaction, H ₂ O _ ( s ) [ freezing ] fusion H ₂ O _ ( l ) Under similar conditions of 0^ C and 1 atm pressure, _ fus H is +6.01 ~kJ ~mol ⁻¹ , whereas _ free H is -6.01 ~kJ ~mol ⁻¹ . Thus, enthalpy of freezing is exactly opposite to enthalpy of fusion.

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