All of the following are interparticle forces that exist in different types of molecular compounds. Which of the interparticle forces exists in every molecular species?
A
London dispersion forces.
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B
Dipole-dipole forces.
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C
Hydrogen bonding forces.
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D
Induced dipole forces.
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Solution
The correct option is A London dispersion forces. London dispersion forces or vanderwaal forces exist in every molecular species whether species is gas / liquid / solid .These are weakest forces. It exist in every molecule whether polar or non polar. Example HCL , H2, N2 all have vanderwaal forces depend on mass.