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Which of the following molecules/ins doe...

Which of the following molecules/ins does not contain unpaired electrons?

A

`N_2^+`

B

`O_2`

C

`O_2^(2-)`

D

`B_2`

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The correct Answer is:
C, D
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MOTION-CHEMICAL BONDING -EXERCISE -4 LEVEL-I
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  3. Which of the following molecules/ins does not contain unpaired electro...

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  5. A metal, M from chaloride in its +2 and +4 oxidation states . Which of...

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  6. In which of the following molecules /ions , are all the bonds not equa...

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  7. The decreasing values of bond angles from NH3 (106^@) to SbH3 ( 101^@...

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  8. In which of the following ionixation processes , the bond order has in...

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  9. Which of the following hydrogen bonds is the strongest ?

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  10. Which of the following species exhibits the diamagnetic behaviour ?

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  11. The charge/size ratio of a cation determines its polarizing power. Whi...

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  12. Which one of the following consitutes a group of the isoelectronic spe...

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  13. Which of the following pairs of species have the same bond order ?

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  14. Using MO theory predict which of the following sepcies has the shortes...

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  15. Among the following the maximum covalent character is shown by the com...

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  16. The hybridisation of atomic orbitals of nitrogen in NO2^+ , NO3^- and...

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  17. The structure of IF7 is

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  18. Which of the following contains maximum number of pairs around Xe atom...

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  20. In which of the following pairs, the two species are not isostructural...

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