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Asked Nov 13, 2019
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What intermolecular forces are present in the alkanes ?

appropriate responses to the statement below:
Large AT values mean that the sample does/does not evaporate readily, meaning
strength of the intermolecular forces in the molecule is strong/weak.
3.
What intermolecular force(s) is/are present in the alkanes?
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appropriate responses to the statement below: Large AT values mean that the sample does/does not evaporate readily, meaning strength of the intermolecular forces in the molecule is strong/weak. 3. What intermolecular force(s) is/are present in the alkanes?

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Expert Answer

Step 1

The intermolecular forces present in the alkanes are to be identified. 

Step 2

Intermolecular forces are the forces of attraction or repulsion that occurs between a molecule and its neighbouring molecules.

The types of intermolecular forces are-

  1. Dipole-dipole interaction-

A dipole is a polar molecule in which the charges are separated within a molecule.

When the two polar molecules come in vicinity of one another, the positive end of one polar molecule interacts with the negative end of another polar molecule and vice-versa. These interactions are known as dipole-dipole interactions.

  1. Ion-dipole forces-

Ions are the molecules with negative or positive charge. When these ions come closer to a dipole, then positive ion attracts the negative end of the dipole or the negative ion attracts the positive end of the dipole.

  1. Ion/dipole-induced dipole forces-

When an ion or dipole approaches a non-polar molecule, it distorts its electron cloud leading to formation of an induced dipole. Thus, the interaction between that ion and the induced dipole is called Ion-induced dipole forces.

  1. London-d...

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