NEET Chemistry ยท Hard

Thermodynamics: Enthalpy algebra MCQ

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Enthalpy algebraHardQuestion 23042

Question

If a reaction equation is reversed, the sign of enthalpy change:

  1. A
    Reverses
    Correct
  2. B
    Remains same
  3. C
    Becomes zero
  4. D
    Doubles

Correct answer

Reverses

Explanation

Forward and reverse processes have opposite enthalpy changes.