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which of the following pair of molecules have almost same bond dissociation energy? a.HF and O2 b.N2 and CO c.F2 and I2 d.F2 and H2 plz explain with reason

which of the following pair of molecules have almost same bond dissociation energy?
a.HF and O2
b.N2 and CO
c.F2 and I2
d.F2 and H2
plz explain with reason

Grade:12

2 Answers

Vikas TU
14149 Points
4 years ago
To find the same dissocitaion energy if they would have same Bond Order.
Hence,
B.O of O2 = 2
and for HF = 1
B.O for N2 = 3
and CO = 3
Henc ethey would have the similar dissociation energy.
Suraj Singh
148 Points
4 years ago
Hy shubham.. The correct answer is F2 and I2 as HF and O2 have bond order difference due to which they have different bond dissociation... While N2 and CO do not have bond dissociation energy as CO is less stable due to unfulfilment of octet.. And F2 and H2 are different as possible sigma bond and ss sigma bond is respectively formed in them and we pp has more bond dissociation energy... Hope U like it.. U can further doubts..

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