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Question

# 25 ml of a solution containing HCl and H2SO4 required 10 ml of a 1NNaOH solution for neutralization. 20 ml of the same acid mixture on being treated with an excess of AgNO3 gives 0.1435g of AgCl. The normality of the HCl and the normality of the H2SO4 are respectively :

A
0.40N and 0.05N
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B
0.05N and 0.35N
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C
0.50N and 0.25N
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D
0.40N and 0.5N
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Solution

## The correct option is B 0.05N and 0.35NLet normality of HCl is N1 and H2SO4 is N2∴ Mili eq. of HCl + Mili eq. of H2SO4 = Mili eq. of NaOH25×N1+25×N2=10×1N1+N2=0.4 .....(i)BY POACMoles of Cl− = moles of AgCl20×N11000=0.1435143.5=10−3N1 = 0.05NPutting value in equation (i) we get N2 = 0.35NHence, option B is correct.

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