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The dipole moment of NF3 is very much le...

The dipole moment of `NF_3` is very much less compatred to that of `NH_3` because :

A

the size of `N` atom is much less than that of `H` atom

B

`F` atom is more electronegative than `N` atoms whereas ` H` atoms is less electronegative tha `N` atom

C

unshared electron pair is not present in `NF_3`

D

no. of lone pairs in `NF_3` is nuch greater than in `NH_3`

Text Solution

Verified by Experts

The correct Answer is:
B
.
The conitribution of lone pair is additive in ` NH_3`.
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P BAHADUR-CHEMICAL BONDING-Exercise2A
  1. Which shows a changes in the type of hybridisation when :

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  2. When temperature is lowered NO2 dimerises . It is accompanised by :

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  3. The dipole moment of NF3 is very much less compatred to that of NH3 be...

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  4. In HCHO, there are X no-bonding electron pairs Y sigama -bonds and Z ...

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  5. For compounds , A : Tetracuanoethern B : Carbon dioxide C: Ben...

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  6. Hypervalent compound is :

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  7. Which set contains par of elements that do not belong to same froup bu...

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  8. An element of p-block in which last electron enters into s-orbital of ...

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  9. Covelant radius of Liis 123 pm .The crystal radius of Li will be:

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  10. A molecule which cannot exist theoretcally is :

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  11. Which are true statements among the following ?

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  12. The structure of IF4 can be best desribed by :

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  13. The solublity of KCl is relatively more in :

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  14. Which of the following possess lowest bond energy ?

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  15. Molecular size of ICI and Br2 is nearly same but b.pt. of ICI is abou...

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  16. The pair of species having identical shape is :

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  17. The molecule having three fold axid of symmetry is :

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  18. Which of the following phenomenon will occure when tow atoms of an ele...

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  19. Structrue of ICO2^- is :

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  20. The most suitable method of separation of a mixture of ortho and para ...

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