Interpretation:
Whether standard enthalpy of formation of
Concept Introduction:
Standard enthalpy of reaction is calculated by summation of standard enthalpy of formation of the product minus the summation of standard enthalpy of formation of reactants at the standard conditions. The expression to calculate the standard enthalpy of reaction
Here,
m is the
n is the stoichiometric coefficient of reactant.
Answer to Problem 14PQ
Option (A) is the correct one.
Explanation of Solution
Reason for correct option:
The formation of
One mole of
The formula to calculate standard enthalpy of a given reaction
Substitute
The formation of
One mole of
The formula to calculate standard enthalpy of a given reaction
Substitute
The standard enthalpy of formation of
Reason for incorrect option:
Since enthalpy of
Therefore, choice (C), (B) and (D) are incorrect.
The standard enthalpy of formation of
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