The concentration of $H_{2} O_{2}$ in a solution containing 34 gm in 500ml is given in List I and their corresponding values are given in List II. Then match List I with List II.

List I List II
A) Molarity
1) 68
B) Normality
2) 22.4
C) % w/v
3) 4
D) Volume strength
4) 2

5) 10

(A)-5, (B)-3, (C)-1, (D)-2

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(A)-4, (B)-3, (C)-1, (D)-2

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(A)-3, (B)-4, (C)-1, (D)-2

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(A)-1, (B)-2, (C)-3, (D)-4

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Solution

The correct option is D (A)-4, (B)-3, (C)-1, (D)-2
(A) The molar mass of hydrogen peroxide is 34 g/mol.
The molarity of 34 g of hydrogen peroxide in 500 ml is $\frac{34 g}{34 g / m o l} \times \frac{1000 m L / L}{500 m L} = 2$ M.

(B) The normality of hydrogen peroxide is twice its molarity. It is $2 \times 2 = 4$ N.

(C) Percent w/v of hydrogen peroxide solution is $\frac{34 g \times 1000 m L / L}{500 m L} = 68$ %

(D) Volume strength $= 11.2 \times$ molarity $= 11.2 \times 2 = 22.4$

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A, B, C, D

^{'} n^{'}

P V^{n} = const

\begin{matrix} List I & List II A . & A & 1. & 0 B & B & 2 & 1 C & C & 3. & 1.4 D & D & 4. & \infty \end{matrix}

Match List I with List II and select the correct answer using the codes given below the lists

List I (Compound) List II (Oxidation state of N)

(A) $N O_{2}$ (1) +5

(B) $H N O$ (2) -3

(D) $N_{2} O_{5}$ (4) +1

List-I	List-II
A. Mond’s process	1. Purification of Ag containing Pb
B. Van Arkel method	2. Purification of Ge
C. Cupellation	3. Purification of Nickel
D. Zone refining	4. Purification of Titanium

Match List I with List II and select the correct answer using the codes given below the lists:-

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