Suggest the most important type of intermolecular attractive interaction in the following pairs.

Question

Suggest the most important type of intermolecular attractive interaction in the following pairs.

(i) n-hexane and n-octane

(ii) I₂ and CCl₄

(iii) NaClO₄and water

(iv) methanol and acetone

(v) acetonitrile (CH₃CN) and acetone (C₃H₆O).

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Salim Ahmed Kawsar · Answer 1 · Feb 05, 2023 15:29:48

(i) Van der Wall’s forces of attraction.

(ii) Van der Wall’s forces of attraction

. (iii) Ion-diople interaction.

(iv) Dipole-dipole interaction.

(v) Dipole-dipole interaction.

Salim Ahmed Kawsar · Answer 2 · Feb 05, 2023 15:29:48

(i) Both are non-polar. Hence, inter molecular interactions in them will be London/ dispersion forces.

(ii) Both are non-polar. Hence, inter molecular interactions in them will be London/ dispersion forces.

(iii) NaClO4 gives Na+ and ClO4 - ions in the solution while water is polar molecule. Hence, intermolecular interactions in them will be ion – dipole interactions.

(iv) Both are polar molecules. Hence intermolecular interactions in them will be dipole-dipole interactions.

(v) Both are polar molecules. Hence intermolecular interactions in them will be dipole-dipole interactions.

Suggest the most important type of intermolecular attractive interaction in the following pairs.

2 Answers