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When pentane (C5H12) mixes with heptane (C7H16), what type of intermolecular forces must be broken? What type of attractive forces are formed?

A) Dipole-dipole; dispersion
B) Dipole-dipole; Dipole-dipole
C) Dispersion; Dipole-dipole
D) Dispersion; dispersion

Respuesta :

Answer:

D) Dispersion; dispersion

Explanation:

Pentane or heptane are non-polar molecules so both of the , dispersion or london force exists as intermolecular force exists among molecules of pentane or heptane . So these bonds needs to be broken and dispersion  interaction takes place between molecules of pentane and heptane. Dispersion interaction  of AB type is stronger than AA or BB type.

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