In Carius method of estimation of halogen, 0.25 g of an organic compound gave 0.15 g of silver bromide ( AgBr ) . The percentage of Bromine in the organic compound is …… × 1 0 − 1% (Nearest integer).

Question

In Carius method of estimation of halogen, 0.25 g of an organic compound gave 0.15 g of silver bromide ( AgBr ) . The percentage of Bromine in the organic compound is …… × 1 0 − 1% (Nearest integer). (Given : Molar mass of Ag is 108 and Br is 80 g mol − 1 )

TestHub · Accepted Answer

Mass of organic compound = 0.25 g Mass of AgBr = 0.15 g No. of moles of Br = No. of moles of AgBr = 188 0.15 ​ ​ Mass of Br = 188 0.15 × 80 ​ g % of Br = 188 × 0.25 0.15 × 80 × 100 ​ = 25.5% = 255 × 1 0 − 1 % ​

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