Based on a specific example of titration method. How do titration methods play a role in agriculture industry? Discuss
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Answer:
Polarity is a property of molecules that represents the separation of electrical charges within the molecule, depending on the number and type of bonds it possesses.
The covalent bond between two atoms can be polar or apolar. This depends on the type of atoms that make it up: if the atoms are equal, the bond will be apolar (since no atom attracts electrons more strongly). But, if the atoms are different, the bond will be polarized towards the most electronegative atom, since it will be the one that attracts the electron pair with more force.
For each of the followings covalent bonds the direction of polarity is the one shown in the picture.
We see that in the C-O bond oxygen is more electronegative than carbon. Therefore, there will be a dipole vector oriented towards of the oxygen. We can represent this polarization of the bond by means of an arrow, which always points to the most electronegative atom.
Explanation:
The polarity of a chemical bond occurs when there is an asymmetric distribution of the electronic cloud of the bond around the two atoms that make up that link. This happens when both atoms have different electronegativity.
- Each bond composed of different atoms generates a dipole vector, which points to the most electronegative atom.
- A molecule will have as many vectors as it has covalent bonds.
- If the vectors do not cancel out, then the molecule will be polar.
