Asked by Mai
the lattice energy for MgCl2 is -2326 kj/mol, which is much higher than that for NaCl which has a lattice energy of -786 kj/mol. Why is this so? Give at least two contributing factors.
Answers
Answered by
DrBob222
ionic charge
ionic radius
ionic radius
Answered by
Anonymous
Can you explain to me why?
Answered by
DrBob222
Mg^2+ is twice the charge of Na^+ so the effect is 4x as much. (2^2 = 4)
The Mg^2+ ion is smaller than the Na^+ and the closer the ions are togther the tougher it is to pull them apart.
The Mg^2+ ion is smaller than the Na^+ and the closer the ions are togther the tougher it is to pull them apart.
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