JEE Main 201610 Apr, Morning shiftChemistryMediumPrinciples Related to Practical Chemistry54× since 2004Sodium extract is heated with concentrated HNO₃ before testing for halogens because :AOption A. Silver halides are totally insoluble in nitric acid.BOption B. Ag₂S and AgCN are soluble in acidic medium.COption C. S₂^− and CN^−, if present, are decomposed by conc. HNO₃ and hence do not interfere in the test.DOption D. Ag reacts faster with halides in acidic medium.CheckSkip · show solution
