coordinate covalent bond examples atleast 10-15 examples
Answers
Answer:
In this type of bonding, the atom that shares an electron pair from itself is termed as the donor.
The other atom which accepts these shared pair of electrons is known as a receptor or acceptor.
The bond is represented with an arrow →, pointing towards acceptor from the donor atom.
After sharing of electron pain each atom gets stability.
This type of bonding is central to the Lewis theory.
Getting a good understanding of co-ordinate covalent bonds can help in properly designing complex organic molecules.
Also Read: Chemical Bonding
Coordinate Bond Diagram
Below we have given a simple diagram of a co-ordinate bond. The bond is shown by an arrow which points in the direction where an atom is donating the lone pair to the atom that is receiving it.
Co-ordinate Covalent Bond Diagram
Co-Ordinate Bond Examples
Here are a few examples of the coordinate covalent bond.
Formation Of Ammonium Ion
The nitrogen atom in Ammonia donates its electron pair to the empty orbital of H+ ion thus nitrogen is donor, H+ is acceptor and a co-ordinate bond is formed
Formation Of Ammonium Ion
Formation Of Hydronium Ion
An oxygen atom in water donates its one pair of electrons to the vacant orbital of H+ ion thus a dative bond is formed oxygen atom is donor atom and H+ acceptor atom
Formation Of Hydronium Ion
Formation Of Ammonia Boron Trifluoride
The nitrogen atom in Ammonia donates one pair of electrons to the vacant orbital of Boron atom in Boron trifluoride thus nitrogen atom is donor atom and boron atom is acceptor.
Formation Of Ammonia Boron Trifluoride
Properties Of Coordinate Compounds
These have lower melting and boiling points than ionic compounds.
Some of these compounds exhibit isomerism.
Sharing of electrons takes place in a definite direction, hence, it is a directional bond.
It is weaker than Ionic bonding.
Also Read: Polar Covalent Bond
Important Questions
1. Why do atoms combine to form a molecule?
Answer:
Atoms combine to form molecules because atoms, in general, cannot exist on their own. Each atom is also unstable and therefore needs stability. Therefore, atoms also combine to achieve a stable electronic configuration.
2. What is Dative bonding?
Answer:
Dative bonding also known as co-ordinate bonding is a type of covalent bond in which sharing of electron takes place from the same atom.
3. Write an example of co-ordinate bonding.
Answer:
(1) Formation of Ammonium ion
(2) Formation of Ammonia boron trifluoride
(3) Formation of hydronium ion.
4. What is the major difference between ionic and co-ordinate bonding?
Answer:
Ionic bonding takes place between ions that are oppositely charged. Positive ions attract negative ions, or we can say that there is an electrostatic attraction between anions and cations. Whereas, co-ordinate bonding is a type of covalent bonding where only one atom donates its electrons to form the bond. The other atom does not contribute anything.
5. Is co-ordinate bonding is a strong bond?
Answer:
Co-ordinate covalent bonds are usually a strong bond. This is because the bonds are identical to any other interatomic bonds.
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