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Properties of Water

As 2 S 3 is s...

Question

${A s}_{2} S_{3}$ is soluble in $({N H}_{4})_{2} S_{2}$ (yellow ammonium sulphide) due to the formation of $({N H}_{4})_{3} {A s S}_{4}$ .

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Solution

${A s}_{2} S_{3}$ is soluble in $({N H}_{4})_{2} S_{2}$ (yellow ammonium sulphide) due to the formation of.thiosalt $({N H}_{4})_{3} {A s S}_{4}$ .
$A s_{2} S_{3} + 3 (N H_{4})_{2} S_{2} \to 2 (N H_{4})_{3} A s S_{4}$

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