Classification of Crystalline Solids

Which is not the correct statement for ionic solids in which positive and negative ions are held by strong electostatic attractive forces?

Which one of the following is a molecular crystal?

Wax is an example of 

Consider the following examples of solid and attractive forces and select the incorrect one.

Which of the following is the most reactive metal?

In crystalline solids, which of the following element of symmetry is not present?

${\mathrm{l}}_2$ is

Which of the following is an example of hydrogen bonded solid?

Which of the following is the incorrect match?

Which of the following is a covalent solid?

An example of a metallic crystalline solid is :

A solid is hard and brittle. It is an insulator in solid state, but conducts electricity in molten state. The solid is a

Which of the following is molecular solid?

Which of the following conditions favours the existence of a substance in the solid state?

What is the hybridisation of carbon in graphite?

How many tetrahedral holes are occupied in diamond?

Graphite is an example of :-

The number of carbon atoms per unit cell of diamond is

Which of the following solids is not an electrical conductor?
(A) $\mathrm{Mg} \left(\mathrm{S}\right)$
(B) $\mathrm{TiO} \left(\mathrm{s}\right)$
(C) ${\mathrm{I}}_2 \left(\mathrm{s}\right)$
(D) ${\mathrm{H}}_2\mathrm{O} \left(\mathrm{s}\right)$

The co-ordination number of ${\mathrm{Zn}}^{2+}$ and ${\mathrm{S}}^{2-}$ ions in the zinc blende ( $\mathrm{ZnS}$ ) type structure is: