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25. Bond energy of H—H, F-F and H-F bonds are 104, 38 and 135 kcal mol-respectively. The resonance energy in the H-F molecule will be ...... kcal mol"?

25. Bond energy of H—H, F-F and H-F bonds are
104, 38 and 135 kcal mol-respectively. The
resonance energy in the H-F molecule will be ......
kcal mol"?
 

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Grade:11

2 Answers

Arun
25750 Points
4 years ago
Dear student
 
Resonance energy = 135 – sqrt (104 * 38)
 
 = 135 – 62.86
 = 72.14 KCal/mol
 
Hope it helps
 
Thanks amd Regards
Vikas TU
14149 Points
4 years ago
Dear student 
Resonance energy = delH - F = (BE)H-F - sqrt((BE)H2*(BE)F2)
Resonance energy = 135 – sqrt (104 * 38)
 
 = 135 – 62.86
 = 72.14 KCal/mol
Good Luck

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