In the following sequence of reactions, identify the compounds (A), (B), (C) and (D):
$N a_{2} C O_{3} S O_{2} - - \to (A) N a_{2} C O_{3} - ---- \to (B) S \to (C) A g N O_{3} - --- \to (D)$

N a_{2} S O_{3}, N a H S O_{3}, N a_{2} S, A g_{2} S

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N a H S O_{3}, N a_{2} S O_{3}, N a_{2} S_{2} O_{3}, A g_{2} S

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N a H S O_{3}, N a_{2} S O_{4}, N a_{2} S, A g_{2} O

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N a H S O_{3}, N a_{2} S O_{4}, N a_{2} S_{2} O_{3}, A g

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Solution

The correct option is B $N a H S O_{3}, N a_{2} S O_{3}, N a_{2} S_{2} O_{3}, A g_{2} S$
$N a_{2} C O_{3} S O_{2} - - \to N a H S O_{3} (A) + C O_{2}$
$N a H S O_{3} N a_{2} C O_{3} - ---- \to N a_{2} S O_{3} (B) + C O_{2} + H_{2} O$
$N a_{2} C O_{3} S \to N a_{2} S_{2} O_{3} (C)$
$N a_{2} S_{2} O_{3} A g N O_{3} - --- \to A g_{2} S (D) + H_{2} S O_{4}$

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Similar questions

^{'} A^{'},^{'} B^{'}

^{'} C^{'}

^{'} A^{'} N a O H / C a O - ------ \to Δ^{'} B^{'} B r_{2} / A l B r_{3} - ----- \to Δ^{'} C^{'} N a / d r y e t h e r - ------- \to Δ n - B u t a n e

N a_{2} C O_{3} S O_{2} \to (A) N a_{2} C O_{3} \to (B)

E l e m e n t a l S, Δ \to (C)_{2} (D)

A R a n e y N i - ----- \to Δ B {B r}_{2} / {A l B r}_{3} - ----- \to Δ C N a / d r y e t h e r - ------- \to Δ n - B u t a n e

^{'} A^{'},^{'} B^{'},^{'} C^{'}

^{'} D^{'}

^{'} A^{'} + C H_{3} M g B r H_{2} O - - \to C H_{3} C H_{2} C H (O H) C H_{3} c o n c . H_{2} S O_{4} - ------ \to^{'} B^{'} B r_{2} - - \to^{'} C^{'} a l c . K O H - ---- \to^{'} D^{'}

+ C H_{3} M g B r - H_{2} O \to C H_{3} C H_{2} C H (O H) C H_{3}

H_{2} S O_{4} \to^{'} B^{'} - B r_{2} \to^{'} C^{'} - a l c . K O H \to^{'} D^{'}

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