The intermolecular forces that occur when LiBr dissolves in water. A) hydrogen bonding B) dispersion C)...

Question

Question

The intermolecular forces that occur when LiBr dissolves in water.

A) hydrogen bonding

B) dispersion

C) ion-dipole

D) dipole-dipole

E) ionic

why?

Answer 1

Answer #1

When LiBr is in solution it gets dissociated into Li+ ion and Br- ion

Each ion is individually wrapped in a cage of water molecules.

The positive Li+ io surrounded by Oxygen atom of water.

(Because the partial negative charge is over oxygen due to its electronegative nature over the hydrogen and forms a dipole)

The Cl- ion is surrounded by H atoms of water. ( Partial positive charge is located over the water molecules less electropositive nature)

Therefore it is called Ion-dipole Intermolecular forces.

Answer 2

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