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Rene
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FranN2 is a covalent molecule with a triple bond between two nitrogen atoms, creating a strong and stable bond. AlCl3 is an ionic compound formed by the transfer of electrons from aluminum to chlorine atoms, creating an electrostatic attraction between the ions. N2 has a nonpolar covalent bond due to equal sharing of electrons, while AlCl3 has ionic bonds with a large electronegativity difference between aluminum and chlorine atoms.
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Why does alcl3 exist as al2cl6 molecule n discuss shape of its molecule?
AlCl3 exists as Al2Cl6 due to the dimerization of AlCl3 through coordinate bonding. The Al2Cl6 molecule has a trigonal planar shape with each Al atom bonded to three Cl atoms, resulting in a six-membered ring structure. This shape allows for optimal stability and efficient packing in the solid state.
Why does aluminium chloride have a low melting point?
Maybe because aluminum atom in Alcl3 does not attain octet arrangement... thus, it undergoes dimerisation to produce al2cl6, where the aluminum atom achieve an octet electronic configuration.
Do a molecule have new properties when a chemical bond forms between two atoms?
Yes. The properties of the molecule will differ from the properties of the individual atoms of which it is made.
What kind of bond in AlCl3 have?
AlCl3 at high temperatres in the vapor phase is molcular, planar AlCl3. with polar covalent bonds. In the melt and at lower temperatures in the vapor phase it is dimeric, Al2Cl6 with two bridging Cl atoms ( Cl2AlCl2AlCl2), each aluminium atom is approximately surrounded by a tetrahedron of Cl atoms. in the solid the structure has each Al surrounded by 6 Cl atoms and the bonding is more ionic in nature. As the solid is heated just before it melts the electrical conductivity rises due to the presence of ions.
What metallic properties could be explained by the metallic bond model?
Scientists first laid down the basic constitution of a metal. Metals are composed of ions surrounded by electrons. Experimenting on the ion's bonding properties and its attraction to electrons generated the properties of metals.
