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Which of the following is a polar molecu...

Which of the following is a polar molecule

A

`BF_3`

B

`SF_4`

C

`SiF_4`

D

`XeF_4`

Text Solution

Verified by Experts

The correct Answer is:
B
Symmetrical molecules are generally non-polar although they have polar bonds. This is because bond dipole of one bond is cancelled by that of the other. `BF_3, SiF_4 and XeF_4` being symmetrical as non-polar. `SF_4` is unsymmetrical because of the presence of a lone pair of electrons. Due to which it is a polar molecule.
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NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-CHEMICAL BONDING-EXERCISE
  1. Indentify the correct order of solubility in aqueous medium

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

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  3. Which of the following is a polar molecule

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  4. Which of the following is paramagnetic?

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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 pairs and one lone ...

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  7. The pair of species with the same bond order is :

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  8. Considering the state of hybridization of carbon atoms, find out the m...

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  9. Which of the two lons from the list given have the geometry that is ex...

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  10. Which of the following is least likely to behave as Lewis acid?

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  11. Which of the following has the minimum bond length ?

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  12. In which of the following pairs of molecules/ ions, the central atoms ...

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  13. Which of the following species does not exist under normal condition...

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  14. The correct order of increasing bond angles in the following species i...

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  15. In which one of the following species , the central atom has the tuype...

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  16. What is the dominant intermolecular forces or bond that must be overco...

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  17. In which of the following molecules/ions in the central atom sp^2-hybr...

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  18. In the case of alkali metals, the covalent character decreases in the ...

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  19. According to MO theory which of thhe following lists makes the nitroge...

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  20. Four diatomic species are listed in different sequence .Which of thes...

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