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Applications of Colloids

An equimolar ...

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An equimolar mixture of NaX2O4 and H2C2O4 acid required V1L of 0.1M KMnO4 in acidic medium to complete oxidation.same mixture required V2L of 0.1 M NaOH for neutralisation . calculate the ratio of V1 and V2

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mole, equimolar mixture of

N a_{2} C_{2} O_{4}

H_{2} C_{2} O_{4}

V_{1} L

0.1 M K M n O_{4}

in acidic medium for complete oxidation. The same amount of the mixture required

V_{2} L

0.2 M N a O H

for neutralization. The ratio of

V_{1}

V_{2}

5

moles of a mixture of

F e S O_{4}

F e_{2} (S O_{4})_{3}

150 m L

1.0 M K M n O_{4}

in acidic medium for the complete neutralisation. Calculate the mole fraction of

F e S O_{4}

in the initial mixture.

Q. A mixture of

H_{2} C_{2} O_{4}

(oxalic acid) and

N a H C_{2} O_{4}

2.02 g

was dissolved in water and the solution made upto

1

10

mL of the solution required

3.0

0.1 N

sodium hydroxide solution for complete neutralisation. In another experiment,

10.0

mL of the same solution in hot dilute sulphuric acid medium required

4.0

0.1

N potassium permanganate solution for complete reaction. Calculate the amount of

H_{2} C_{2} O_{4}

Q. A mixture of

N a_{2} C_{2} O_{4}

K H C_{2} O_{4} . H_{2} C_{2} O_{4}

required equal volumes of

0.2 M

K M n O_{4}

0.2 M

N a O H

separately for complete titration. The mole ratio of

N a_{2} C_{2} O_{4}

K H C_{2} O_{4} . H_{2} C_{2} O_{4}

in the mixture is:

Q. A mixture of

H_{2} C_{2} O_{4}

N a H C_{2} O_{4}

2.02 g

was dissolved in water and the solution made up to one litre.

10 m L

of this solution required

3.0 m L

0.1 N N a O H

solution for complete neutralisation. In another experiment

10 m L

of same solution in hot dilute

H_{2} S O_{4}

medium required

4 m L

0.1 N K M n O_{4}

for complete neutralisation. Calculate the amount of

H_{2} C_{2} O_{4}

N a H C_{2} O_{4}

in the mixture.

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