How to differ AgBr from AgI? which is suitable for that among these...? Dil HNO3,Dil HCl,Dil H2SO4,Conc HNO3,Conc Cl3CCOOH

Answer 1

specifically this is qualitative chem. The two compounds are metal halides and the common condition which the test is proceeded is in acidic condition. The most suitable reagent for that is dil nitric acid.

Answer 2

The reagent to use is HNO3 but that doesn't dissolve either. AgCl is soluble in NH3 whereas AgI is almost insoluble.