Problem: Why does NaBr dissolve in water?a) because of strong dispersion forces between NaBr and water.b) because of strong ion-dipole forces.c) because of strong dipole-dipole interactions between NaBr and water.d) because of strong hydrogen-bonding interactions between NaBr and water.

FREE Expert Solution

We’re going to use the theory “likes” dissolving “likes” which states that the solvent can only completely dissolve the solute if they share similar polarity or have strong intermolecular force


NaBr → ionic compound  made up of ions


H2O → polar covalent compound 


Intermolecular Forces (IMF) are the attractive forces between 2 molecules.

Ion-dipole: strongest IMF  attraction between an ion and a polar compound.

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Problem Details

Why does NaBr dissolve in water?

a) because of strong dispersion forces between NaBr and water.

b) because of strong ion-dipole forces.

c) because of strong dipole-dipole interactions between NaBr and water.

d) because of strong hydrogen-bonding interactions between NaBr and water.

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