A liquid state is intermediate to the gaseous and solid state ?

Which does not exists in solid state

What is the structure of BeCI_(2) molecule in gaseous and solid state?

Assertion: On heating, a solid usually change to a liquid and the liquid on further heating change to the gaseous state. Reason : Arrangement of constituent particles is different in solid, liquid and gaseous state.

Assertion : A solid is floating in a liquid of density rho_(1) . When the solid melts its density becomes rho_(2) in liquid state. If rho_(1) gt rho_(2) level of liquids will increase after melting. Reason : In liquid state volume always increases after a solid melts.

Which of these is true regarding the gaseous state?

All solids, on heating, first change to liquid and then to the gaseous state.

Why are ionic solids conducting in the molten state and not in the solid state ?

Matter exists in two states - solids and liquids.

Which oxy acids are stable only in aq. state not in solid state ?

Assertion : PCl_(5) is covalent in gaseous and liquid state but ionic in solid state. Reason: PCl_(5) in solid state consists of tetrahedral PCl_(4)^(+) cation and octahedral PCl_(6)^(-) anion.