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Chemistry Forums for Students => Undergraduate General Chemistry Forum => Topic started by: Abder-Rahman on March 15, 2012, 02:27:30 PM

Title: Which of the following would have the highest lattece enthalpy
Post by: Abder-Rahman on March 15, 2012, 02:27:30 PM

Which of the following would have the highest lattece enthalpy? Why?

NaCl or CsCl

Thanks.

Title: Re: Which of the following would have the highest lattece enthalpy
Post by: XGen on March 15, 2012, 09:02:00 PM

What determines lattice enthalpy?

Title: Re: Which of the following would have the highest lattece enthalpy
Post by: PIQgoogleme on March 15, 2012, 10:16:02 PM

^^^
And if you're not sure, what will take more energy to pull apart: two oppositely charged atoms that are close together, or two oppositely charged atoms that are far apart? Now think about the ionic radii in each of those species and you should have your answer.