Qualitative Analysis - Result Question 4

####4. In Carius method of estimation of halogens 250mg of an organic compound gave 141mg of AgBr. The percentage of bromine in the compound is (atomic mass Ag=108,Br=80 )

(a) 24

(b) 36

(c) 48

(d) 60

(2015 Main)

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Solution:

  1. Given, Weight of organic compound =250mg

Weight of AgBr=141mg

According to formula of of bromine by Carius method

of Br= Atomic weight of Br Molecular weight of AgBr

× Weight of AgBr Weight of organic bromide ×100 



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