0.197 g of a substance when heated with strong nitric acid and silver nitrate gave 0.3525 g of silver iodine. Percentage of iodine is

0.185 g of an organic substance when treated with conc HNO_(3) gave 0.32 g of silver bromide. Calculate the % of bromine in the compound.

0.2585g of an organic compound contaning iodine was heated with excess of strong nitric acid and silver nitrate in a carius tube. The precipitate of silver iodide was fiterred, washed and dried its weight was found to be 0.3894g . Calculate the % of iodine in the compound.

IN the analysis of 0.5 g sample of feldspar, a mixture of chlorides of sodium and potassium is obtained which weighs 0.1180 g . Subsequent treatment of the mixed chlorides with silver nitrate gives 0.2451 g of silver chloride. What is the percentage of sodium oxide and potassium oxide in the sample ?

0.25g of an organic compound on heating with conc. HNO_(3) and silver nitrate in carius tube gave 0.20g of AgBr , then the percentage of bromine in the compound is (Atomic Mass of Ag=108u,Br=80u )

0.25g of an organic compound on heating with conc. HNO_(3) and silver nitrate in carius tube gave 0.20g of AgBr , then the percentage of bromine in the compound is (Atomic Mass of Ag=108u,Br=80u )

0.1170 gm of an organic compound on heating with conc. HNO_3 and silver nitrate in Carius furnace gave 0.42 gm of AgCl . Find the percentage of chlorine in the compound.

0.99 g of an organic compound containing halogen when heated with fuming nitric acid in the presence of silver nitrate in a carius tube gave 0.287 g of white precipitate. The percentage of halogen in the compound is about