1.

All alkali halides are soluble in water except LiF. The low solublity of LiF in water is due to its (i)______ the low solubility of CsI is due to (ii)_____. LiF is soluble in (iii)_________ solvents.

Answer» <html><body><p>(i) low lattice enthalpy, (ii) <a href="https://interviewquestions.tuteehub.com/tag/large-1066424" style="font-weight:bold;" target="_blank" title="Click to know more about LARGE">LARGE</a> <a href="https://interviewquestions.tuteehub.com/tag/hydration-1033911" style="font-weight:bold;" target="_blank" title="Click to know more about HYDRATION">HYDRATION</a> enthalpy, (iii) polar solvents<br/>(i) high lattice enthalpy, (ii) smaller hydration enthalpy, (iii)-non-polar solvents<br/>(i) high hydration enthalpy, (ii)-high lattice enthalpy, (iii)- non-polar solvents<br/>(i)-smaller hydration enthalpy, (ii)-high lattice enthalpy, (iii)-polar solvents</p>Solution :The low solubility of LiF in <a href="https://interviewquestions.tuteehub.com/tag/water-1449333" style="font-weight:bold;" target="_blank" title="Click to know more about WATER">WATER</a> is due to its high lattice enthalpy whereas the low solubility of CsI is due to smaller hydration enthalpy of <a href="https://interviewquestions.tuteehub.com/tag/two-714195" style="font-weight:bold;" target="_blank" title="Click to know more about TWO">TWO</a> large size ions. LiF is soluble in non-polar solvents <a href="https://interviewquestions.tuteehub.com/tag/like-1073845" style="font-weight:bold;" target="_blank" title="Click to know more about LIKE">LIKE</a> ethanol, acetone, etc.</body></html>


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