Normality

Q. Which of the following is not true regarding Henry's law constant?

1. It has same unit as that of pressure
2. It decreases with increase in temperature
3. It decreases with increase in solubility
4. Different gas-liquid system have different $K_H$​

Q. What is the normality of a 1 M solution of $H_{3}P{O}_4$

1. 0.5 N
2. 1.0 N
3. 2.0 N
4. 3.0 N

Q.

Hydrochloric acid solutions A and B have concentration of 0.5 N and 0.1 N respectively. The volume of solutions A and B required to make 2 litres of 0.2 N hydrochloric are

1. 1.5 l of A + 0.5 l of B

2. 1.0 l of A + 1.0 l of B

3. 0.75 l of A + 1.25 l of B

4. 0.5 l of A + 1.5 l of B

Q.

The ratio of the molar amounts of $H_{2}S$ needed to precipitate the metal ions from $20mL$ each of 1M $Cd(N{O}_3{)}_2$ and 0.5 M $CuS{O}_4$ is

1. 1 : 1
2. 2 : 1
3. 1 : 2
4. Indefinite

Q. How many g of a dibasic acid (Mol. wt. = 200)should be present in 100 ml of its aqueous solution to give decinormal strength

1. 1 g
2. 2 g
3. 10 g
4. 20 g

Q.

0.16 g of dibasic acid required 25 ml of decinormal NaOH solution for complete neutralisation. The molecular weight of the acid will be

1. 128
2. 256
3. 32
4. 64

Q. To neutralise 20 ml of $\frac{M}{10}$ sodium hydroxide, the volume of $\frac{M}{20}$ hydrochloric acid required is

1. 10 ml
2. 15 ml
3. 20 ml
4. 40 ml

Q. The solution of sulphuric acid contains 80% by weight $H_{2}S{O}_4$. Specific gravity of this solution is 1.71. Its normality is about

1. 27.9
2. 1
3. 10
4. 18

Q.

30 ml of acid solution is neutralized by 15 ml of a 0.2 N base. The normality of the acid solution is

1. 0.4 N
2. 0.1 N
3. 0.15 N
4. 0.3 N

Q.

5 ml of N HCl, 20 ml of $N/2H_{2}S{O}_4$ and 30 ml of $N/3HN{O}_3$ are mixed together and volume made to one litre. The normality of the resulting solution is

1. $\frac{N}{5}$
2. $\frac{N}{10}$
3. $\frac{N}{20}$
4. $\frac{N}{40}$