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How do you know if a molecule is polar based on electronegitivity?
Wiki User
∙ 12y ago
If the difference between the electronegativities of the atoms of a molecule is great, this molecule is very probable polar.
Wiki User
∙ 12y ago
Molecules are polar if there is a difference in electronegativity between the atoms that make up the molecule. This causes an unequal sharing of electrons, leading to a separation of charges and creating a dipole moment. A general rule is that molecules containing atoms with significantly different electronegativities are likely to be polar.
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How to know if a substance is a polar or not?
First of all you have to draw the Lewis dot structure of the molecule. If the molecule is symmetrical, it's non-polar. If the molecule is non-symmetrical or asymmetrical, then the molecule is polar.
A molecule that has a positive end and a negative end is what type of molecule?
To my knowledge, it is a polar molecule. Hope this helps, let me know if I'm wrong :)
How do you know if C6H13Cl is polar?
C6H13Cl is polar because the molecule has a significant dipole moment due to the difference in electronegativity between carbon, hydrogen, and chlorine atoms. The chlorine atom is more electronegative than carbon and hydrogen, causing the molecule to have an uneven distribution of electrons. This uneven distribution creates a polar molecule.
Why is it important to know the shape of the molecule or ion?
It can help identify whether or not the molecule or ion is polar as well as identify if there are any "ends" of the molecule which can be more easily involved in a reaction.
Is CH3NH2 soluble in water?
Yes, CH3NH2 (methylamine) is soluble in water. Methylamine is a polar molecule due to the presence of the nitrogen with lone pair of electrons, which allows it to form hydrogen bonds with water molecules and thus dissolve in water.
How you will know that a molecule is polar or non polar?
by checking its number of hydrogen atoms
How to know if a substance is a polar or not?
First of all you have to draw the Lewis dot structure of the molecule. If the molecule is symmetrical, it's non-polar. If the molecule is non-symmetrical or asymmetrical, then the molecule is polar.
A molecule that has a positive end and a negative end is what type of molecule?
To my knowledge, it is a polar molecule. Hope this helps, let me know if I'm wrong :)
Oil is a polar or non-polar molecule?
Oil is a non-polar molecule because it is made up of hydrocarbons, which have a relatively even distribution of electrons and do not have any significant polar bonds. This lack of polarity is what allows oil to repel water and other polar substances.
What are the effects of the uneven distribution of wealth?
Polar Molecule
Why is it important to know the shape of the molecule or ion?
It can help identify whether or not the molecule or ion is polar as well as identify if there are any "ends" of the molecule which can be more easily involved in a reaction.
Would a molecule with polar covalent bonds be soluble in water?
Yes, a molecule with polar covalent bonds would likely be soluble in water. Water is a polar molecule, so it tends to dissolve other polar molecules due to the attraction between opposite charges. This allows the polar covalent bonds in the molecule to interact with the water molecules.
What is the polarity of SF4Br2?
it has both polar bonds because F is more electronegative than Br so the electrons are shared unevenly, and it is a polar molecule because its square pyramidal geometry doesn't allow its bond dipole moments to cancel out.
Is water non-polar?
No, water is a polar molecule. It has a slight negative charge on the oxygen atom and slight positive charges on the hydrogen atoms due to differences in electronegativity, resulting in a polar overall structure.
How do you-determine if a molecule is polar or non-polar?
Polar Bonds and Molecular ShapeA polar molecule is a molecule that has a net dipole moment due to its having unsymmetrical polar bonds. There are two factors that go into determining if a molecule is polar or not. To determine if a molecule (or ion) is polar or non-polar, you must determine both factors.The polarity of the individual bonds in the molecule.The shape or geometry of the molecule.First, to determine if a given individual bond is polar, you need to know the electronegativity of the two atoms involved in that bond. To find the electronegativities of all the elements, look at the Periodic Table (follow the link below this answer under Web Links).If the electronegativity of the two atoms has a difference of 0.3 or less, then the bond is non-polar. If the electronegativity difference is greater that 0.3 but less than 1.7, then the bond is polar. If the two values have a difference greater than 1.7, then the bond is ionic, which is just very very polar.Once you know which bonds in the molecule are polar and which are non-polar, you must use the shape of the molecule. You need the shape because two polar bonds, if oriented correctly can cancel each other out (like two equally strong people pulling in opposite directions on a rope -- nobody moves).The three possible outcomes:If all bonds are non-polar, then the whole molecule is non-polar regardless of its shape.If there is symmetry in the molecule so that the polarity of the bonds cancels out, then the molecule is non-polar. A common example of this is carbon dioxide, or CO2. The molecule is linear, and its Lewis dot structure is like this: O=C=O (this doesn't include two sets of lone pairs on each oxygen). The carbon-oxygen bond is a polar bond, but because they are exactly opposed to each other, the molecule is overall non-polar. Another example of this is CCl4, where each carbon-chlorine bond is polar, but the molecule is non-polar. Here, how they cancel out isn't as obvious, but they do. CCl4 is a tetrahedral molecule, and the 4 C-Cl polar bonds cancel each other out.If there are polar bonds but there is no symmetry such that they cancel each other out, the overall molecule is polar. Water is a typical example of this. The two O-H bonds are oriented in a V-shape, and so the don't cancel out. Similarly, CH3Cl is also polar. It is the same shape as CCl4 (see above), but now it doesn't have the same symmetry because there is only one C-Cl bond and the bonds don't cancel out anymore.
How do you know if something is made out of water?
Our body is 60-80% water. Water is considered as the best universal solvent. H2O is a polar molecule so it will dissolve anything that is polar.
Is OCL2 polar or non-polar?
OCl2 is a polar molecule because it has a bent molecular geometry with chlorine atoms pulling the electron density towards themselves, creating a net dipole moment.
