Q22 / 90 · JEE Main 2021 (27 Aug Shift 1) · Chemistry

In Carius method for estimation of halogens, 0.2 g of an organic compound gave 0.188 g of AgBr. The percentage of bromine in the compound is __________. (Nearest integer)

[Atomic mass: Ag=108, Br=80]

Correct answer: 40

Solution

= Atomic mass of X Molecular mass of AgX× wt. of AgX wt. of organic helides 

=80188×0.1880.2×100=40%

Hence, the correct answer is 40.

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