NEET Chemistry Enthalpy MCQ Question
Which of the following statements about enthalpy is correct?
The enthalpy change of a reaction is the sum of the enthalpies of products minus those of reactants.
Enthalpy change is always negative for endothermic reactions.
Lattice enthalpy can be directly measured in experiments.
Enthalpy of atomization is the enthalpy change on forming one mole of a compound from its elements.
Correct Answer
Detailed Explanation
The enthalpy change of a chemical reaction is represented by the formula ∆rH = (sum of enthalpies of products) – (sum of enthalpies of reactants), as stated in the provided NCERT context.
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