Question

Which of the following has highest lattice enthalpy and why?
CsF,CsCl,CSBr,CsI

Answer 1

☺ HERE IS YOUR ANSWER ☺

✔CsF has the highest lattice enthalpy because it's internuclear distance is smaller as compare to others. ✔

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Answer 2

Cesium fluoride (CsF) has the highest lattice enthalpy among the given compounds.

• In CsF, 'F' has the highest lattice energy because it is more electronegative and has the smallest size, resulting in the maximum ionic character.
• The electrostatic force between the two ions is the strongest as Cesium is the most electropositive element and Fluorine is the most electronegative element.
• Cesium fluoride has a halite structure, and that implies that the Cs⁺ and F⁻ pack in a cubic nearest pressed cluster as do Na+ and Cl− in sodium chloride.
• It is an inorganic compound a hygroscopic white salt. Cesium fluoride can be utilized in the organic production of the fluoride anion.

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