Chemistry-Enthalpy
NEET Chemistry Enthalpy MCQ Question
Type: MCQ-conceptual-Easy-Class 11
Which of the following statements about enthalpy is correct?
A
The enthalpy change of a reaction is the sum of the enthalpies of products minus those of reactants.
B
Enthalpy change is always negative for endothermic reactions.
C
Lattice enthalpy can be directly measured in experiments.
D
Enthalpy of atomization is the enthalpy change on forming one mole of a compound from its elements.
Correct Answer
Option A
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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