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Q.

0.4g of an organic compound gave 0.188g of silver bromide by a halogen estimation method. The percentage of bromine in the compound is (at.wt of Ag=108, Br=80)

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a

20

b

60

c

46

d

40

answer is A.

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Detailed Solution

 

%Br=80188× Mass of AgBr×100 Mass of compound 

=80188×0.188×1000.4=80.4=20%

 

 

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