Solubility

Q.

What happens when cyclohexane is mixed with potassium permanganate solution?

Q.

The solubility product of a salt having general formula $M{X}_2$ in water is :

$4\times {10}^{-12}$. The concentration of $M^{2+}$ ions in the aqueous solution of the salt

is

1. $2.0\times {10}^{-6}M$

2. $1.0\times {10}^{-4}M$

3. $1.6\times {10}^{-4}M$

4. $4\times {10}^{-10}M$

Q. Which of the following is an example of polar molecular solid?

1. $S{O}_2\left(s\right)$
2. $N{H}_3\left(s\right)$
3. $HCl\left(s\right)$
4. All of the above

Q.

What are the factors affecting the solubility?

Q. Solubility of a salt $A_3{B}_4$ formula is ‘s’, its solubility product is

1. $6912s^7$
2. $5184s^7$
3. $s^7$
4. $7s^7$

Q. Which of the following is true for solubility of a solute in a solution?

1. Solubility is not affected by changing temperature of the system
2. Generally, polar solutes reaily dissolve in non-polar solvents.
3. Generally, polar solutes reaily dissolve in polar solvents.
4. None of the above

Q. The solubility of $CuBr$ is $2\times {10}^{-4}$ $mol{L}^{-1}$. at ${25}^{o}C.$ The $K_{sp}$ value for $CuBr$ is:

1. $4\times {10}^{-8}mo{l}^2{L}^{-2}$
2. $4\times {10}^{-11}mo{l}^2{L}^{-1}$
3. $4\times {10}^{-15}mo{l}^2{L}^{-2}$
4. $4\times {10}^{-4}mo{l}^2{L}^{-2}$

Q. What is the molar solubility of $A{g}_{2}C{O}_3(K_{sp}=4\times {10}^{-13})$ in $0.1\text{M}N{a}_{2}C{O}_3$ solution?

1. ${10}^{-6}$
2. ${10}^{-7}$
3. $2\times {10}^{-6}$
4. $2\times {10}^{-7}$

Q. If thesolubility product of $Z{r}_3(P{O}_4{)}_4$ is denoted by $K_{sp}$, and its molar solubility is denoted by $S$, then which of the following relation between $S$ and $K_{sp}$ is correct?

1. $S=(\frac{K_{sp}}{6912}{)}^{\frac{1}{7}}$
2. $S=(\frac{K_{sp}}{144}{)}^{\frac{1}{6}}$
3. $S=(\frac{K_{sp}}{929}{)}^{\frac{1}{9}}$
4. $S=(\frac{K_{sp}}{216}{)}^{\frac{1}{7}}$

Q. Which of the following is true for solubility of a solid in a liquid ?

1. Solubility is not affected by changing temperature of the system
2. Generally, polar solutes readily dissolve in non-polar solvents.
3. None of the above
4. Generally, polar solutes readily dissolve in polar solvents.

Q. Which one of the following is/are incorrect about solvation?

1. Solvation occurs spontaneously when hydration energy is less than lattice energy
2. Solvation increases with increase in temperature
3. Solvation occurs spontaneously when hydration energy is greater than lattice energy
4. Solvation is the process by which water molecules surround and interact with solute ions or molecules