A) B is\[BaS{{O}_{4}}\]and D is\[{{H}_{2}}S\]
B) A is\[BaS\]and D is\[S{{O}_{2}}\]
C) C is\[BaS\]and D is\[S{{O}_{2}}\]
D) A is\[{{K}_{2}}S{{O}_{3}}\]and B is\[BaS\]
Correct Answer: A
Solution :
\[2K{{O}_{2}}+S\xrightarrow{\Delta }\underset{(A)}{\mathop{2S{{O}_{4}}}}\,\] \[\xrightarrow[-2\,KCl]{BaC{{l}_{2}}}\underset{\begin{smallmatrix} white\,ppt \\ \,\,\,\,\,(B) \end{smallmatrix}}{\mathop{BaS{{O}_{4}}}}\,\xrightarrow[\Delta ]{Carbon}\underset{(C)}{\mathop{BaS}}\,+4CO\] \[\xrightarrow[{}]{HCl}\underset{\begin{smallmatrix} (D) \\ gas \end{smallmatrix}}{\mathop{{{H}_{2}}S}}\,+BaC{{l}_{2}}\]
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