Textbook ExpertVerified Tutor
24 Nov 2021
Given information
The relation between , and
Where,
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is standard energy change of formation.
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is the standard entropy change of formation.
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is the standard enthalpy change of formation
Step-by-step explanation
Step 1.
Fluorine is the smallest halide among all the halogens and it is most electronegative. So, it will form the most stable hydrogen halide. Hence, its value is most negative.
The heat of formation will become increasingly positive on moving down the halogen group because the bond length increases.
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