Which force is not involved in the Chromatography?

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London force

Hydrogen bonding

Magnetic force

Dipole-Dipole force

answer is D.

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Detailed Solution

The London dispersion, dipole-dipole, hydrogen bonding, and ion-dipole forces are the four forces used in chromatography.
London Dispersion Force: This transient attractive force results from the displacement of the electrons in two nearby atoms, which causes the atoms to temporarily form dipoles.
Dipole-Dipole Force – This refers to the attractive force between the negative end of one polar molecule and the positive end of another polar molecule, in other words between two dipoles.
Hydrogen Bonding Force – This is a special class of dipole-dipole attraction between molecules that results in the formation of Hydrogen bonds.
So the force which is not involved is the magnetic force.

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