Select the type of interaction which best describes the attraction between Mg2+ ions and water molecules.

A) dipole-dipole
B) dipole-induced dipole
C) ion-dipole
D) ion-induced dipole
E) ion-hydrogen bond

Respuesta :

Answer:

C) ion-dipole

Explanation:

Ion - dipole interaction -

These type of interactions are observed , simply by an ionic species , and the species which can for a dipole , is referred to as the ion - dipole interactions.

Dipole - It refers to the species , which is capable to generate two poles , i.e. a delta positive and a delta negative , is referred to as a dipole .

For example ,

In water , due to more electronegative oxygen , it attains a delta negative charge and correspondingly , hydrogen attains a delta positive charge , and therefore , forms a dipole .

From the question ,

Mg²⁺ is an ionic species , and water can form a dipole , and hence , the interaction possible between the two species is ion - dipole interaction.

The magnesium ion interacts with water via ion-dipole interaction.

An ion is a chemical specie that carries a positive or a negative charge. If a specie carries a positive charge, it is called a cation. If it carries a negative charge, it is called an anion.

Water is a polar molecule. This implies that a positive and a negative dipole exists in water. The magnesium ion interacts with water via  ion-dipole interaction.

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