Which of the following accuratley lists compounds in order ofincreasing solubili

Question

Which of the following accuratley lists compounds in order ofincreasing solubility in water? a) LiCl, Br2, O2, methanol(CH3OH) b) methanol (CH3OH), LiCl, O2,Br2 c) O2, Br2, LiCl, methanol(CH3OH) d) LiCl, methanol (CH3OH), Br2,O2 Which of the following accuratley lists compounds in order ofincreasing solubility in water? a) LiCl, Br2, O2, methanol(CH3OH) b) methanol (CH3OH), LiCl, O2,Br2 c) O2, Br2, LiCl, methanol(CH3OH) d) LiCl, methanol (CH3OH), Br2,O2 c) O2, Br2, LiCl, methanol(CH3OH) d) LiCl, methanol (CH3OH), Br2,O2

Explanation / Answer

   We Know that :    Water being a polar compound itmakes the other substances to dissolve in it which are also polarin Nature.     i.e the property of the solubilitythat " LIKE DISSOLVES LIKE " .       From the given pairs of compounds LiCl is an ionic compound so more polarin Nature , CH3OH is polar Covalent     in Nature ,and also it can formHydrogen- bonding Among   Br2 & O2 both are Covalent molecules of homoatomic type but if wecompare their polarities      Br2 is more polar than Oxygen becauseof their difference in their sizes.          SOoption "c"  is correct order of thesolubilities  in water.         O2 < Br2 < LiCl < CH3OH

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