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

Question

Black 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 $(D)$ gives white turbidity on addition of water. What is $(D)$ ?

Professor PC Thomas Classes · Answer

See detailed solution for explanation.