Solids in Liquids

Q. The solubility product $\left(K_{sp}\right)$ of the following compounds are given at ${25}^{\circ }C$. The compound most soluble and least soluble coumpounds are:
Compounds $K_{sp}$
$AgCl1.1\times {10}^{-10}AgI1.1\times {10}^{-16}PbCr{O}_{4}4.0\times {10}^{-14}A{g}_{2}C{O}_{3}8.0\times {10}^{-12}$

1. $AgClandPbCr{O}_4$
2. $A{g}_{2}C{O}_{3}andPbCr{O}_4$
3. $A{g}_{2}C{O}_{3}andAgI$
4. $AgClandA{g}_{2}C{O}_3$

Q.

Sugar dissolves in water due to the formation of

1. covalent bonds

2. ionic bonds

3. co-ordinate bonds

4. hydrogen bonding

Q. Ionic compounds with higher lattice energy than solvation energy are readily soluble (T/F)

1. True
2. False

Q. If dissolution is endothermic process, increasing the temperature, increases the solubility of the solute. (T/F)

1. True
2. False