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Standard XI

Chemistry

Normality

The strength ...

Question

The strength of a mixture of HCl & $H_{2} S O_{4}$ is 0.1 N. On treatment with an excess of $A g N O_{3}$ solution, 20 mL of this acid mixture gives 0.1435 g of AgCl. The strength of the $H_{2} S O_{4}$ is

24.5 g/L

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2.45 g/L

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49 g/L

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4.9 g/L

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Solution

The correct option is B 2.45 g/L
$A g N O_{3} + H C l ⇌ A g C l + H N O_{3}$
Equivalents of AgCl = Equivalent of HCl
$\frac{0.1435}{143.5} \times 1 = \frac{20}{1000} \times N_{H C l} N_{H C l} = 0.05 N_{H C l} + N_{H_{2} S O_{4}} = 0.1 N_{H_{2} S O_{4}} = 0.1 - N_{H C l} = 0.1 - 0.05 = 0.05$
$Strength of acid = 0.05 N \times 49 g/equivalent = 2.45 g/L$

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Similar questions

Q. The mass of a mixture containing HCl and

H_{2} S O_{4}

is 0.1 g. On treatment with an excess of an

A g N O_{3}

solution, reacted with this acid mixture gives 0.1435 g of AgCl. Mass % of the

H_{2} S O_{4}

mixture is :

Q. The weight of mixture containing HCl and

H_{2} S O_{4}

0.1

g on treatment with an excess of an

A g N O_{3}

solution, reacted with this acid mixture gives

0.1435

g of AgCl, weight percentage of

H_{2} S O_{4}

in mixture is:

Q. The strength of a mixture of HCl &

H_{2} S O_{4}

is 0.1 N. On treatment with an excess of

A g N O_{3}

solution, 20 mL of this acid mixture gives 0.1435 g of AgCl. The strength of the

H_{2} S O_{4}

Q. An aqueous solution containing

H C l

and

H_{2} S O_{4}

required

10

ml of a

1 N

N a O H

solution for neutralization.

20

ml of the same acid mixture on being treated with an excess of

A g N O_{3}

gives

0.1435

g of

A g C l

. The normality of the

H C l

and the normality of the

H_{2} S O_{4}

are respectively:

Q. The weight of a mixture containing

H C l

and

H_{2} S O_{4}

0.1 g

. On treatment with an excess of an

A g N O_{3}

solution, the acid mixture gives

0.1435 g

A g C l

. Weight percentage of the

H_{2} S O_{4}

in the mixture is: (Molecular mass of

H, C l, S, O, A g, N

are

1 u, 35.5 u, 32 u, 16 u 108 u, and 14 u

)

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Normality

Standard XI Chemistry

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The strength of a mixture of HCl & H2SO4 is 0.1 N. On treatment with an excess of AgNO3 solution, 20 mL of this acid mixture gives 0.1435 g of AgCl. The strength of the H2SO4 is

The correct option is B 2.45 g/LAgNO3+HCl⇌AgCl+HNO3 Equivalents of AgCl = Equivalent of HCl 0.1435143.5×1=201000×NHClNHCl=0.05NHCl+NH2SO4=0.1NH2SO4=0.1−NHCl=0.1−0.05=0.05 Strength of acid=0.05N×49 g/equivalent=2.45 g/L

The strength of a mixture of HCl & $H_{2} S O_{4}$ is 0.1 N. On treatment with an excess of $A g N O_{3}$ solution, 20 mL of this acid mixture gives 0.1435 g of AgCl. The strength of the $H_{2} S O_{4}$ is