Diamond has high melting point - Explain.

Explain the following : a) Graphite is a good conductor. b) Diamond has high melting point.

(a) What is diamond ? Of what substance is diamond made? (b) Describe the structure of diamond . Draw a simple diagram to show the arrangement of carbon atoms in diamond. (c ) Explain why , diamond has a high melting point (d) State any tow uses of diamond.

Which among the following is a soft solid and has high melting point?

Select the correct answer :Diamond has a very high/low melting point.

Explain the following: lonic compounds have high melting point and boiling point while covalent compounds have low melting and boiling points.

Why does sulfanilic acid has high melting point?