For the preparation of sodium thiosulphate by "Spring reaction", the reactants used are :

N a_{2} S + N a_{2} S O_{3} + C l_{2}

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N a_{2} S + S O_{2}

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N a_{2} S O_{3} + S

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N a_{2} S + N a_{2} S O_{3} + I_{2}

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Solution

The correct option is B $N a_{2} S + N a_{2} S O_{3} + I_{2}$
Spring's reaction is:
$N a_{2} S + N a_{2} S O_{3} + I_{2} \to N a_{2} S_{2} O_{3} + N a I$

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Similar questions

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

N a_{2} S O_{3}

S^{2 -}

S O^{2 -}

_{4}

H_{2} S O_{4}

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

{N a}_{2} S_{2} O_{3} \cdot 5 H_{2} O

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