Hypo gives white (Ag2S2O3) ppt with AgNO3 which changes to black(Ag2S) .
If the given statement is true enter 1 else 0.
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Solution
Hypo gives white (Ag2S2O3) ppt with AgNO3 which changes to black(Ag2S). AgBr+2Na2S2O3→Na3[Ag(S2O3)2]+NaBr. Na2S2O3+2AgNO3→Ag2S2O3whitewater−−−→Ag2Sblack+H2SO4