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Q. Show the solubility of double salts?
The solubility of double salts of lanthanides such as 2Ln (N03).3Mg (N03)2.24H20 and Ln2 (S04)3 . Na2S04.xH20 increases from La to Lu. Thus, the lanthanides could be separated from each other of fractional crystallisation of these salts. As these processes need to be repeated several times, these are very tedious and not very proficient. Though, the individual elements can now be separated with much less difficulty on a large scale by employing more efficient techniques of solvent extraction and ion exchange chromatography.
Properties of Allyl iodide or 3-iodopropene-1, ICH 2 CH = CH 2 Allyl iodide is a colourless liquid. It get boils at 103.1°C.The halogen atom in allyl iodide is fairly reactive
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