1. Tardigrade
  2. Question
  3. Chemistry
  4. In the following reaction sequence in aqueous solution, the species X, Y and Z, respectively, are S2O2-3 ->[Ag+] underset textclear solutionX ->[Ag+] underset textWhite precipitateY ->[ textwith time] underset textblack precipitateZ

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Q. In the following reaction sequence in aqueous solution, the species X, Y and Z, respectively, are
$S_2O^{2-}_{3} \ce{->[Ag^+]} \underset{\text{clear solution}}{X} \ce{->[Ag^+]} \underset{\text{White precipitate}}{Y} \ce{->[\text{with time}]} \underset{\text{black precipitate}}{Z}$

JEE AdvancedJEE Advanced 2016

Solution:

Correct answer is (a) $\left[ As \left( S _{2} O _{3}\right)_{2}\right]^{3-}, Ag _{2} S _{2} O _{3}, Ag _{2} S$

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