Brown ppt. (A) dissolve in $\mathrm{HNO}_3$ gives (B) which gives white ppt. (C) with $\mathrm{NH}_4

Question

Brown ppt. (A) dissolve in $\mathrm{HNO}_3$ gives (B) which gives white ppt. (C) with $\mathrm{NH}_4 \mathrm{OH}$. (C) on reaction with HCl gives solution $(D)$ which gives white turbidity on addition of water. What is (D) ?

Professor PC Thomas Classes · Answer

\