Question

0.246 gm of an organic compound when heated with excess of fuming nitric acid and silver nitrate gave 0.2584 gm of silver bromide. Calculate the percentage of bromine in the compound

Answer 1

According to Carius method,

% of Br=

108+80

80

×

Massoforganiccompound

MassofAgCl

×100

⟹% of Br=

188

80

×

0.186

0.320

×100

⟹% of Br=0.42×

0.186

0.320

×100

⟹% of Br=73.6%

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