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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
- IIT JAM
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How to calculate bond order of cn-, no+,cn+ ?
5. (A) NO Which of the following have identical bond ordeer? O CN CN (B) (C) (D)
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Priyanshu kumar Best Answer
Molecular orbital diagram helps in determining the bond order
Sir, i have read the process of finding B O of diatomic molecules but for molecules like CN- is not given in the study material...so... is the process same for CN-?...can you please show me bo of CN- ?
see this
In a similar way you can draw all MO diagram and find the bond order just keep in mind some instructions that first count electrons if it is 14 or less than 14 then relative energy is similar if it more than 14 then change...same as you read in case of N2 and O2... and second thing for the heteroatomic molecule like CO,CN the MO diagram changes little bit that the atomic orbital of more electronegative atom lies below
But in exam no need to draw the MO diagram and then calculate bond order just by trick you can calculate bond order
https://goiit.com/t/a-quick-and-handy-tip-to-find-the-bond-order-in-chemical-bonding/8316 check this link
Hope this much helps...please ask if any further doubt
thank you so much sir.🙏
welcome