Question

please answer question no. 19 i)
ii). options are give for all of them
iii)
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Answer 1

Answer:

answers for option i) A

II) CO

III) A

Explanation:

I) Bond order of o2-2 is one and has 18e- son diamagnetic

ii) they are asking which is not paramagnetic which means diamagnetic . And the only diamagnetic is CO

III) Bond strength =$ bond order =1/bond length