`RbO_2` is

A

Peroxide and paramagnetic

B

Peroxide and magnetic

C

Super oxide and paramagnetic

D

Super oxide and diamagnetic.

Text Solution

Verified by Experts

The correct Answer is:
C
`RbO_2` means `Rb^+` and `O_2^(-)` ion. `O_2^(-)` ion is super oxide ion. It has 17 electrons and is paramagnetic.
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DINESH PUBLICATION-CHEMICAL BONDING AND MOLECULAR STRUCTURE-REVISION
  1. Match list (Molecules) with list II (Boiling points) and select the co...

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  2. Shape and hybridization of IF5, respectively, are

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  3. RbO2 is

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  4. Arrange the following ions in the order of decreasing X-O bond length ...

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  5. The molecule which has highest bond order is

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  6. The molecular geometry of BF3 is

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  7. The types of hybridisation on the five carbon atoms from left to right...

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  8. In which pair of species, both species do have similar geometry

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  9. In forming C2 to C2^(+) and (ii) O2 to O2^(+), the electrons respectiv...

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  10. The common features among the species CN^- , CO and NO^+ are :

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  11. It is believed that atoms combine with each other such that the outerm...

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  12. The correct statement with regard to H2^(+) and H2^(-) is

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  13. Arrange the following in the increasing order of their bond order:

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  14. Pi (pi) bond is formed by the overlap of

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  15. The bond angle formed by different hybrid orbitals are in the order

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  16. The s and p characters in bond formed by central atom are equal in :

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  17. The maximum bond strengths is in:

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  18. The number of bonding and anti-bonding electrons respectively in CO mo...

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  19. The bond order in He2^(+) ions is :

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  20. The total number of electrons that take part in forming bond in O2 is

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