question_answer

(i)  White vitriol \[\xrightarrow[(X)]{\operatorname{Re}agent}\]Lithopone

(ii) Potassium ferrocyanide \[\xrightarrow[(Y)]{\operatorname{Re}agent}\] Prussian blue

The reagent (X) and (Y) are, respectively,

A) \[BaS,\,\,FeC{{l}_{3}}\]       

B)     \[BaC{{l}_{2}},\,\,FeS{{O}_{4}}\]   

C)      \[ZnS,\,F{{e}_{2}}{{O}_{3}}\]        

D)        \[ZnC{{l}_{2}},FeS{{O}_{4}}.7{{H}_{2}}O\]

Correct Answer: A

Solution :

[a] (i) (ii)