NCERT Class XI Chemistry Organic Chemistry Some basic principles and Techniques Solutions

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Question : 34
Total: 40
0.3780 g of an organic chloro compound gave 0.5740 g of silver chloride in Carius estimation. Calculate the percentage of chlorine present in the compound.
Solution:  
Given : Mass of organic compound = 0.3780 g
Mass of silver chloride = 0.5740 g
1 mol of AgCl = 143.5 g
143.5 g of AgCl contains 35.5 g of Cl
∴ 0.5740 g of AgCl contains
3535×0.574
143.5
= 0.142 g
0.142 g of Cl is present in 0.3780 g of the compound
% of Cl in compound =
0.142
0.378
× 100 = 37.56 %
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