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Polar molecules have relatively weak intermolecular forces. Intermolecular forces and boiling point have a direct relationship, so due to the fact that polar molecules have weak forces, their boiling points will be lower.
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∙ 14y ago
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∙ 12y agoit increases with boiling point
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Why do transition elements have high polarising power?
TRANSITION ELEMENTS HAVE d-ORBITAL IN THEIR SHELL WHICH HAS LOW SHIELDING EFFECT. DUE TO WHICH THEY HAVE HIGH EFFECTIVE NUCLEAR CHARGE. SO, HIGH POLARIZING POWER.
What is the boiling point of ethanol at 30.9 in HG?
if you can achieve 30.9 in/hg more power to you.
What does the term polarising power of a cation mean?
Polarizing power: Polarising power is the ability of an atom or group of atoms to attract the shared pair of electrons toward itself. For example: If you have aluminium chloride.... the aluminium ion has a 3+ charge and is relatively small. The chlorine ion has a 1- charge and is larger than the aluminium ion. As a result...the aluminium ion has a higher charge density (i.e. a stronger attraction) and so attracts the shared pair of electrons (between the chlorine and aluminium) towards itself. we say aluminium has high polarising power because of its ability to do this. And the chlorine is easily polarised because the electrons get taken away from it.
Why LiF is not polar covalent?
The electronegativity difference of 3.0 indicates an ionic bond rather than a polar covalent. However LiF is not very soluble, like other Li salts. This is due to a partial covalent character in the bond due to the high polarising power of the small Li+ ion which distorts the electron cloud round the anion. The extent of this effect caused by cations is predicted in "Fajan's Rules"
Why Pbcl2 is ionic and Pbcl4 is covalent?
apply fazan's rule, greater the charge on cation more is the polarising power and hence more covalent character polarising power of pb4+>pb2+ thus pbcl4 is more covalent than pbcl2 conversely pbcl2 more ionic than pbcl4
Why xenon has high polarising power?
Because it is a large atom.
Why do transition elements have high polarising power?
TRANSITION ELEMENTS HAVE d-ORBITAL IN THEIR SHELL WHICH HAS LOW SHIELDING EFFECT. DUE TO WHICH THEY HAVE HIGH EFFECTIVE NUCLEAR CHARGE. SO, HIGH POLARIZING POWER.
What is the boiling point of ethanol at 30.9 in HG?
if you can achieve 30.9 in/hg more power to you.
How valve point loading effect power system?
Kindle help me to answer What is valve point loading effect and its applcation
Why do power stations use water not a lowwer boiling point liquid?
Water is cheap and easily obtained.
What is an express boil point in Watts?
Boiling points are expressed in units of temperature, such as degrees Celsius or Kelvin - not in units of power.
What does the term polarising power of a cation mean?
Polarizing power: Polarising power is the ability of an atom or group of atoms to attract the shared pair of electrons toward itself. For example: If you have aluminium chloride.... the aluminium ion has a 3+ charge and is relatively small. The chlorine ion has a 1- charge and is larger than the aluminium ion. As a result...the aluminium ion has a higher charge density (i.e. a stronger attraction) and so attracts the shared pair of electrons (between the chlorine and aluminium) towards itself. we say aluminium has high polarising power because of its ability to do this. And the chlorine is easily polarised because the electrons get taken away from it.
What do carbonates become more stable to thermal decomposition as they go down group 2?
The size of the group 2 ions gets bigger as we go down the group. Hence, their polarising power also decreases. So, the carbonates are less polarised as we go down the group, requiring more energy to decompose them. Polarising power is the ability of the ion to attract the bonding pair of electrons towards itself.
Features of ms power point?
what are features of power point
What is the file type for a Power Point File?
The file type for a power point file is PPT. This is the extension for the file of power point.
Why LiF is not polar covalent?
The electronegativity difference of 3.0 indicates an ionic bond rather than a polar covalent. However LiF is not very soluble, like other Li salts. This is due to a partial covalent character in the bond due to the high polarising power of the small Li+ ion which distorts the electron cloud round the anion. The extent of this effect caused by cations is predicted in "Fajan's Rules"
Why lif is not polar?
The electronegativity difference of 3.0 indicates an ionic bond rather than a polar covalent. However LiF is not very soluble, like other Li salts. This is due to a partial covalent character in the bond due to the high polarising power of the small Li+ ion which distorts the electron cloud round the anion. The extent of this effect caused by cations is predicted in "Fajan's Rules"
