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Which of the following is isoelectronic ...

Which of the following is isoelectronic ?

A

`CO_2 , NO_2`

B

`NO_2^(-) , CO_2`

C

`CN^(-), CO`

D

`SO_2 , CO_2`

Text Solution

Verified by Experts

The correct Answer is:
C
`CN^-` and CO are isoelectronic because they have equal number of electrons.
In `CN^-` the number of electrons =6+7+1=14
In CO the number of electrons =6+8=14
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NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-CHEMICAL BONDING-EXERCISE
  1. In NO3^- ion, the number of bond pair and lone pair of electrons no N-...

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  2. Which of the following has ppi-dpi bonding?

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  3. Which of the following is isoelectronic ?

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  4. The main axis of diatomic molecule is z. The orbitals px and py overla...

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  5. In X - H----Y , both X and Y are electronegative elements

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  6. In which of the following bond angle is maximum

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  7. Which of the following two are isostructural ?

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  8. A compound contains three elements A,B and C, if the oxidation number ...

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  9. Among the following ions the p pi- d pi overlap could be present in

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  10. Among the following group which represents the collection of isoelectr...

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  11. Which of the following is not paramagnetic ?

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  12. The relationship between the dissociation energy of N2 and N2^+ is

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  13. Which one of the following is planar ?

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  14. Which of the following molecule forms linear polymeric structure due t...

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  15. The type of hybridisation of boron in diborane is

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  16. In PO(4)^(3-) the formal charge on each O-atom and P-O bond order resp...

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  17. The species which is not paramagnetic among the following is

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  18. The number of antibonding electron pairs in O(2)^(2-) molecular ion on...

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  19. The molecule which does not exhibit dipole moment is

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  20. For two ionic solids, CaO and KI, which of the following statements is...

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