Question

Which physical property best separates the compounds into ionic or covalent and which is least helpful Justify your answer.

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Answer 1

The physical property that best separates compounds into ionic or covalent is solubility in water.

Step-by-step explanation:

This is sequel to the fact that Ionic compounds are generally highly soluble in water, while covalent compounds have low solubility in water. This is because ionic compounds are composed of charged ions that are attracted to the polar water molecules, resulting in the compound dissolving in water. On the other hand, covalent compounds are usually nonpolar or have weak polarity, which makes them less soluble in polar solvents like water.

And now the physical property that is least helpful in separating compounds into ionic or covalent is melting point or boiling point. This is because both ionic and covalent compounds can have high or low melting and boiling points, depending on their composition and bonding. For example, some covalent compounds like diamond have very high melting and boiling points, while some ionic compounds like sodium chloride have relatively low melting and boiling points.