Which of the following statement is incorrect :
Which of the following statement is incorrect :
A. `O_2` is paramagnetic , `O_3` is also paramagnetic
B. `O_2` is paramagnetic , `O_3` is diamagnetic
C. `B_2` is paramagnetic , `C_2` is also paramagnetic
D. Different observation is found in their bond length when NO `to NO^(+)` and `COtoCO^+`
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Correct Answer - A,C,D
`O_2`=paramagnetic (2 unpaired electrons in antibonding `pi`-orbital)
`O_3`=diamagnetic
`B_2`=paramagetic (2 unpaired electrons)
`C_2`=diamagnetic molecule.
NO `to NO^(+)`(bond length decreases )
CO `to CO^(+)`(bond length decreases )
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