Which of the following molecules have bond order equal to 1?

1.	Which of the following molecules have bond order equal to 1?
Answer» 1) `NO, HF, HCL, Li_(2), CO` 2) `H_(2),Li_(2),HF,Br_(2),HCl` 3) `Li_(2),B_(2) ,CO,NO,He_2^(+)` 4) `B_2,CO,He_2^(+),NO,HF` Solution :Bond ORDER of `He_(2)^(+) = 0.5` Bond order of NO = 2.5 Bond order of CO = 3

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