(i) A blackminerals(A) on treatment with dilute sodium cyanidersolutionin presence of air gives a clearsolution of (B)and (C).(ii) The solution of (B)on reactionwithzincgievsprecipitate of a metal(D).(iii) (D) is dissolvedin dilute HNO_(3)and theresulting solutiongives a white preipitate(E)with dilute HCl.(iv) (E) On fusion with sodium carbonate gives(D) . (v) (E) Dissloves in aqueoussolutionof ammonia givinga colourless solution of (F)Identify compounds (A) to (F) and giveschemialequationsfor reactions insteps (i) to(iv) .

(i) A blackminerals(A) on treatment with dilute sodium cyanidersolutio

1.	(i) A blackminerals(A) on treatment with dilute sodium cyanidersolutionin presence of air gives a clearsolution of (B)and (C).(ii) The solution of (B)on reactionwithzincgievsprecipitate of a metal(D).(iii) (D) is dissolvedin dilute HNO_(3)and theresulting solutiongives a white preipitate(E)with dilute HCl.(iv) (E) On fusion with sodium carbonate gives(D) . (v) (E) Dissloves in aqueoussolutionof ammonia givinga colourless solution of (F)Identify compounds (A) to (F) and giveschemialequationsfor reactions insteps (i) to(iv) .
Answer» ANSWER :N//A