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In which of the following pairs of molec...

In which of the following pairs of molecules centreal atom is `sp^(2)` hybrisised ?

A

`NO_(2)^(-)and NH_(3)`

B

`BF_(3)and NH_(2)^(-)`

C

`HN_(2)^(-)and H_(2)O`

D

`BF_(3)and NH_(2)^(-)`

Text Solution

Verified by Experts

The correct Answer is:
B
For `BF_(3),H=^(1//2)[3+3-0+0]=3(sp^(2))`
For `NO_(2)^(-)ion,H=^(1//2)[5+0-0+1]=3(sp^(2))`
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DINESH PUBLICATION-CHEMICAL BONDING AND MOLECULAR STRUCTURE -MULTIPLE CHOICE QUESTIONS BANK (MCQB)
  1. In which one of the following species , the central atom has the tuype...

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  2. Hydridisation of the central atom in BrF(5) molecule is :

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  3. In which of the following pairs of molecules centreal atom is sp^(2) h...

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  4. Which of the following pairs is isostractural (i.e having the same sha...

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  5. Bond order of 1.5 is shown by:

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  6. Which of the following species contains three bond pair and one lone ...

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  7. The pair of specied having the same bond order is :

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  8. During change of O(2) to O(2)^(2-) ion, the electrons add on which of ...

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  9. Which one of the following molecules contains no pi - bond ?

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  10. XeF(2) is iso-structural with :

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  11. Dipole-induced dipole interaction are present in which of the followin...

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  12. Which of the following is paramagnetic?

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  13. Which of the following species has plane tringular shape ?

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  14. Which one of the following is paramagnetic in nature ?

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  15. Which of the following pairs of ions are isoelectronic and also isostr...

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  16. The correct bond order in the following species is:

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  17. The total number of pi-bond electrons in the following structure is

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  18. Which of the following species contains equal number of pi and pi bond...

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  19. Decreasing order of stability of O(2), O(2)^(-), O(2)^(+) and O(2)^(2-...

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  20. Which of the following sets of molecules contains the same number of l...

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