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The central atom of ammonia is nitrogen and it has 3 bonding pairs and a lone pair around, hence it undergoes sp3 hybridization.

The central atom of boron trifluoride is the boron atom, and around it has only three bonding pairs. So it hybridizes as sp2.

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Q: What is the hybridisation state of central atom in nh3 and bf3?
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Related questions

Why is bf3 electron deficient?

The central atom B has less than 8 electrons in the valence shell. BF3 has a tendency to accept electron pair.


Why is the electron BF3 deficient?

The central atom B has less than 8 electrons in the valence shell. BF3 has a tendency to accept electron pair.


What is the shape of BF3?

.. .. : F - B - F : .. .. :F:


What is hybridization of central atoms in Bf3?

sp2


One boron atom and three fluorine atoms?

BF3 - Boron trifluoride


How many pairs of valence electrons are present on the boron atom in BF3?

3 pairs


Is BF3 soluble in water?

Yes BF3 is soluble in water.Although its VSEPR shape is trigonal planar, which is supposed to be non-polar, the fluorine atoms, to which the Boron atom is attached, are able to form hydrogen bonds with water molecules. Therefore, BF3 is soluble in water.


How many boron atoms are there in 1 molecules of BF3?

4 atoms. Boron= 1 atom Flouride = 3 atoms


What happen when BF3 converted to BF4 molecule?

Boron trifluoride BF3 reacts with F- ion to form the BF4- ion. BF3 has only 6 electrons around the B atom, is planar, and is a Lewis acid (as it will accept electrons from an electron pair donor such as F-. BF4- is a tetrahedral ion- all four bonds are equivalent.


What is the intermolecular force between BF3 in liquid state?

van de walls, by shabbir makai


Is bf3 a nonpolar or polar molecule?

BF3 is Non-Polar :)


How will an atom react if the octet rule is or is not satisfied?

Yes, for example, BF3. Boron will still bond with other things even though it had 6 electrons