Question

to identify the chloride ,bromide and iodide ions from the given salts observation table

Answer 1

When dark violet vapours evolve turning starch paper blue is iodine.

Hence, the given salt contains iodine ions.

When colourless gas with pungent smell evolves giving white fumes with ammonia is the chlorine vapours.

The reddish brown gas with pungent smell that turns starch paper yellow is the bromine gas.