Question

The following list of properties is most descriptive of a(n) ______

1. High melting point, conductor of electricity when dissolved in water

2. Low melting point, non-conductor of electric current

3. Malleable, ductile, insoluble in water.

The choices for all 3 are: a) metallic solid b) molecular solid c) ionic solid d) all of these e) none of these f) more than one of these

Answer 1

1->ionic solids

because the ionic solids are solids of consisting of positively and negatively charged ions with electrostatic forces so they have a high melting point and when dissolved in water they split into cations and anions resulting in high conductance in water.

2->molecular solids

these are essentially collections of molecules held together with intramolecular forces hence resulting in less melting point and they have localised electrons as such, do not conduct electricity.

3->mettalic solids

Malleable, ductile, insoluble in water is a property of an element which is an metal.