The colour and nature of the precipitate that is formed when sodium fusion extract of an organic compound is acidified with HNO3 and then treated with AgNO3 to confirm the presence of bromine present in the organic compound is

X-+ Ag+→AgX ;  X= -Cl , Br , I(1) If X=Cl  then a white ppt. which is soluble in ammonium hydroxide is formed.(2) If X=Br  then a pale yellow precipitate, sparingly soluble in ammonium hydroxide is formed.(3) If X= I  then a yellow precipitate,  insoluble in ammonium hydroxide is formed.