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QJEEAdv19Chdaed: JEE Advanced 2019 Chemistry - Class 11 JEEAdv19Chdaed Solution: Choose the reaction(s) from the following options, for which…
Choose the reaction(s) from the following options, for which the standard enthalpy of reaction of equal to the standard enthalpy of formation.
Multiple Choice Options
- A 2C(g) + 3H2(g) → C2H6(g)
- B 2H2(g) + O2(g) → 2H2O(l)
- C 32O2(g) → O3(g)
- D 18S8(s) + O2(g) → SO2(g)
Step-by-Step Verified Solution
The standard enthalpy of formation is defined as standard enthalpy change for formation of 1 mole of a substance from its elements, present in their most stable state of aggregation.
In the above two reactions standard enthalpy of reaction is equal to standard enthalpy of formation.
In the above two reactions standard enthalpy of reaction is equal to standard enthalpy of formation.