Arrange the following in increasing order of intermolecular force of attraction :
oil, water and benzene
A
benzene> water> oil
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B
water > oil > benzene
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C
oil > water > benzene
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D
oil > benzene > water
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Solution
The correct option is B oil > water > benzene Oils are non-polar but have induced dipole forces of interaction which increases the strength of the intermolecular forces. Whereas water consists of H-bonding which is weaker than induced dipole interactions. Lastly, benzene consists of dispersion forces which are further weaker than both of them.