Question

1.what is lattice energy?
2.what is solvation energy?how it effects the solubility of electrovalent compound into polar and non polar solvent?
3.give the electron dot formula anddash formula of following=
BeCl2
H3PO3
Al2Cl6
K4Fe[CN]6
4.WHAT IS SPACE ISOMERISM AND ISOMORPHISM
5.WHATIS VAN DER WALL'S FORCES

Answer 1

1)= lattice energy
*energy required to remove the electron form the outer most layer........
I hope you understand....



And 2,3,and I don't know ........